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CITY AND COUNTY OF HONOLULU
STORM WATER BEST MANAGEMENT PRACTICE MANUAL
INDUSTRIAL & COMMERCIAL FACILITIES
February 2019
By:
City and County of Honolulu,
Department of Facilities Maintenance
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 i
Table of Contents
List of Abreviations ...................................................................................................................................... ii
Glossary ..................................................................................................................................................... iii
Significant Additions and Revisions Made to the Industrial and Commercial Facilities
Storm Water Best Management Practice Manual ................................................................................... viii
1. Introduction ............................................................................................................................ 1
2. Regulatory Requirements ...................................................................................................... 5
3. Industrial/Commercial BMP Plan Development ................................................................11
4. Industrial and Commercial Activity BMPs ..........................................................................17
5. Business Guide Sheets ........................................................................................................18
6. Treatment Control BMPs Operations & Maintenance Fact Sheets ..................................19
Appendices
A. Industrial and Commercial Activity BMP Fact Sheets
B. Business Category BMP Guide Sheets
C. BMP Plan Forms
CCH Industrial and Commercial Storm Water Best Management Practice Manual
ii February 2019
List of Abbreviations
BMP Best Management Practice
CASQA California Stormwater Quality Association
CCH or CITY City and County of Honolulu
CFR Code of Federal Register
CNEE Conditional “No Exposure” Exclusion
CWA Clean Water Act (Federal Water Pollution Control Act of 1972, amended 1987)
CWB Clean Water Branch, Department of Health, State of Hawai‘i
DOH Department of Health, State of Hawai‘i
ENV Department of Environmental Services, City and County of Honolulu
EPA United States Environmental Protection Agency
HAR State of Hawai‘i Administrative Rules
HRS State of Hawai‘i Revised Statutes
IPM Integrated Pest Management
IWDP Industrial Wastewater Discharge Permit
MS4 Municipal Separate Storm Sewer Systems
NPDES National Pollutant Discharge Elimination System
O&M Operations and Maintenance
RC Regulatory Control, Branch of the City’s Department of Environmental Services
ROH Revised Ordinances of Honolulu
SDS Safety Data Sheets
SIC Standard Industrial Classification
SPCC Spill Prevention Control and Counter-measure
State State of Hawai‘i
SWPCP Storm Water Pollution Control Plan
SWQ Storm Water Quality Branch, Department of Facility Maintenance, City and County of Honolulu
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 iii
Glossary
Best Management Practices (BMPs): Pollution control measures, applied to nonpoint sources, onsite
or offsite, to control erosion and the transport of sediments and other pollutants which have an
adverse impact on water quality. BMPs may include a schedule of activities, the prohibition of
practices, maintenance procedures, treatment requirements, operating procedures, and practices to
control site runoff, spillage or leaks, or drainage from raw material storage.
Catch Basin: Box-like underground concrete structure with openings in curbs and gutters designed to
collect runoff from streets and pavement.
Chemicals: A compound or substance that has been purified or prepared, especially artificially. Storm
water runoff pollutants may include the following types of chemicals: oils and grease, heavy metals
(lead, copper, zinc and cadmium), sediments, oxygen-demanding substances (plant debris, food waste
and chemical waste), nutrients (phosphorus and nitrogen from fertilizers, animal wastes, septic
systems, detergents, and lawn clippings), toxic organic compounds (pesticides, herbicides, fungicides,
rodenticides and PCBs including wood preservatives, antifreeze, dry cleaning chemicals, cleansers
and a variety of other chemical products), and industrial processes that discharge acidic wastewater,
solutions used in metal plating operations, acidic chemicals used in printing and graphic art
businesses, cement used in concrete products and concrete pavement, and chemical cleaners used
in homes and businesses.
City: City and County of Honolulu.
Clean Water Act (CWA): The law that established the basic structure for regulating pollutant discharges
into the waters of the United States. Gives EPA the authority to implement pollution control programs.
Requirements of the NPDES program are defined under Sections 307, 402, 318 and 405 of the CWA.
Commercial Facilities: These facilities are based on the Standard Industrial Classification (SIC) Codes
and if a facility does not fall into the SIC code then they are defined as commercial.
Conditional No Exposure Exclusion (CNEE): Facilities that have no exposure of industrial materials or
activities may qualify for a Conditional No Exposure Exclusion. See definition of No Exposure.
Construction Activity: Includes clearing, grading, excavation, and contractor activities that result in soil
disturbance. Construction activities are regulated by the NPDES General Permit Coverage, HAR
Chapter 11-55 Water Pollution Control, Appendix C - Storm Water Associated with Construction
Activities.
Discharge: The deposit, disposal, injection, dumping, spilling, leaking or placing of any substance into
a drainage facility or natural watercourse (ROH Chapter 14-12.2).
Drainage Facility: Any City drainage structure or separate storm sewer system, including stream
structures, constructed principally for the conveyance of storm and surface waters, street wash, or
drainage (ROH Chapter 14-12.2).
Effluent: Any substance other than storm water runoff that is discharged onto a public right-of-way
and/or into a drainage facility including non-storm water discharges which are not sources of
pollutants, and any NPDES-permitted discharges (ROH Chapter 14-12.2).
CCH Industrial and Commercial Storm Water Best Management Practice Manual
iv February 2019
Effluent Limits: Limitations on amounts of pollutants that may be contained in a discharge. Can be
expressed in a number of ways including as a concentration, as a concentration over a time period
(e.g., 30-day average must be less than 20 mg/l), or as a total mass per time unit, or as a narrative
limit.
Erosion: The wearing away of the ground surface as a result of action by wind or water (ROH Chapter
14-13.3).
Excavation: Or "cut" means any act by which earth material is cut into, dug or moved, and shall include
the conditions resulting therefrom (ROH Chapter 14-13.3).
Fill: Any act by which earth materials are placed or deposited by artificial means, and shall include the
resulting deposit of earth material (ROH Chapter 14-13.3).
Grading: Any excavation or fill or any combination thereof (ROH Chapter 14-13.3).
General Permit: A general permit covers a group of dischargers with similar qualities within a given
geographical location.
Hazardous Waste: A waste or combination of wastes that, because of its quantity, concentration, or
physical, chemical or infectious characteristics, may either cause or significantly contribute to an
increase in mortality or an increase in serious irreversible illness; or pose a substantial present or
potential hazard to human health or the environment when improperly treated, stored, transported,
disposed of or otherwise managed. Possesses at least one of four characteristics (ignitability,
corrosivity, reactivity, or toxicity) or appears on special EPA or state lists. Regulated under the Federal
Resource Conservation and Recovery Act. Defined in HRS Section 342D-38.
Illicit Discharges: Any discharge to a Municipal Separate Storm Sewer System (MS4) or receiving water
that is not in compliance with applicable laws and regulations, e.g. is not discharge pursuant to an
NPDES permit or applicable exemption or waiver.
Individual Permit: A permit specifically tailored to an individual facility.
Industrial Facilities: These facilities are based on the Standard Industrial Classification (SIC) Codes,
and if a facility can be classified under a specific SIC code, then they are considered industrial.
Inlet: An entrance into a ditch, storm drain, or other waterway.
Integrated Pest Management (IPM): An ecosystem-based strategy that focuses on long-term
prevention of pests or their damage through a combination of techniques such as biological control,
habitat manipulation, modification of cultural practices, and use of resistant varieties. Pesticides are
used only after monitoring indicates they are needed according to established guidelines, and
treatments are made with the goal of removing only the target organism.
Low Impact Development: Systems and practices that use or mimic natural processes that result in
the infiltration, evapotranspiration or use of storm water in order to protect water quality and
associated aquatic habitat.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 v
Municipal Separate Storm Sewer System (MS4): A municipal separate storm sewer system (MS4) is a
publicly-owned conveyance or system of conveyances (including but not limited to streets, ditches,
catch basins, curbs, gutters, and storm drains) that is designed or used for collecting or conveying
storm water and that discharges to surface waters of the State.
National Pollutant Discharge Elimination System (NPDES) Permit: NPDES is the national program for
administering and regulating Sections 307, 318, 402, and 405 of the Clean Water Act (CWA).
• Construction General Permit: A NPDES Notice of General Permit Coverage (NGPC) permit is issued
by the State of Hawai‘i Department of Health Clean Water Branch for the discharge of storm water
associated with construction activity from soil disturbance of one acre or more. Reference HAR
Chapter 11-55, Water Pollution Control Appendix A, Standard General Permit Conditions, Appendix
C, Discharges of Storm Water Associated with Construction Activities.
• Industrial General Permit: A NPDES Permit issued by the State of Hawai‘i Department of Health
Clean Water Branch Board for discharge of storm water associated with industrial activity.
• City and County of Honolulu MS4 Permit: A NPDES Permit issued by the State of Hawai‘i DOH to
the City and County of Honolulu to discharge storm water runoff from the City and County of
Honolulu’s Municipal Separate Storm Sewer System (MS4) into State waters in and around the
Island of O‘ahu.
No Exposure: No exposure means all industrial materials and activities are protected by a storm-
resistant shelter to prevent exposure to rain and/or runoff. Industrial materials or activities include,
but are not limited to, material handling equipment or activities, industrial machinery, raw materials,
intermediate products, byproducts, final products, or waste products (40 Code of Federal Register
[CFR] 122.26(g)).
Nonpoint Source Pollution: Pollution that does not come from a point source (a single identifiable
sourced pollutant). Nonpoint source pollution is caused by storm water or irrigation water moving over
and through the ground. As the runoff moves, it picks up and carries away natural and human-made
pollutants, such as sediment, nutrients (from fertilizers), bacteria (from animal waste), toxic chemicals,
oil and trash, and finally depositing them into streams, rivers and coastal waters.
Nutrient Pollution: A form of water pollution, refers to contamination by excessive inputs of nutrients.
It is a primary cause of eutrophication of surface waters, in which excess nutrients, usually nitrogen or
phosphorus, cause excessive growth of algae. Sources of nutrient pollution include surface runoff from
agricultural lands and urban areas where fertilizers are used, discharges from septic tanks and
feedlots, emissions from combustion, and wastewater discharges from various industries. Pet wastes
are also sources of nutrients.
Pollutant: Any substance introduced into the environment that adversely affects the usefulness of a
resource, including but not limited to any waste, cooking or fuel oil, pesticide, paint, solvent,
radioactive waste, hazardous substance, sewage, dredged spoils, chemical waste, rock, sand, biocide,
toxic substance, fertilizers or nutrients such as nitrogen and phosphorous, construction waste and
material, and soil sediment. The term also includes commercial fats, oils, and grease waste as defined
under Section 14-5A.1.
Point Source: Any single identifiable source of pollution from which pollutants are discharged, such as
a pipe, ditch, ship or factory smokestack.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
vi February 2019
Pollution Prevention: Practices and actions that reduce or eliminate the generation of pollutants.
Pollution Problem: The discharge of any pollutant into State waters directly or by conveyance through
a drainage facility which creates a nuisance or adversely affects the public health, safety or welfare,
or causes a drainage facility to violate any provisions of the City’s National Pollutant Discharge
Elimination System permit or violates any water quality standards of the State of Hawai‘i.
Precipitation: Any form of rain or snow.
Pretreatment: Treatment of waste stream before it is discharged to a collection system.
Private Storm Drain Connection: Any conveyance of storm water, including but not limited to any
drainage pipe, ditch, or swale connected to any drainage facility or separate storm sewer system,
including any curb or gutter.
Property Owner: The fee simple owner of record, lessee of record, administrator, executor, personal
representative, receiver, trustee, property management agent, or any other individual, corporation, or
unincorporated association who has the use, control or occupation of land with claim of ownership,
whether the owner's interest be in absolute fee or a lesser estate.
Receiving Waters: Water bodies, such as a river, lake, ocean, stream, or other watercourse that receive
treated or untreated waste waters.
Retention: The storage of storm water to prevent it from leaving the development site.
Runoff: Water originating from rainfall and other sources (e.g., sprinkler irrigation) that flows over the
land surface to drainage facilities, streams, springs, seeps, reservoirs, lakes, wetlands, and the ocean.
Run-on: Offsite storm water surface flow or other surface flow which enters a site.
Sediment: Soil, sand, and minerals washed from land into water, usually after rain, that collect in
reservoirs, rivers, and harbors, destroying fish nesting areas and clouding the water, thus preventing
sunlight from reaching aquatic plants. Farming, mining, and building activities without proper
implementation of BMPs will expose sediment materials, allowing them to be washed off the land after
rainfalls.
Sediment Control: Sediment controls are treatment control practices that trap soil particles after they
have been detached and moved by rain, flowing water, or wind. Sediment control measures are usually
passive systems that rely on filtering or settling the particles out of the water or wind that is
transporting them.
Sheet Flow: Flow of water that occurs overland in areas where there are no defined channels and
where the water spreads out over a large area at a uniform depth.
Source Control BMPs: Operational practices that reduce potential pollutants at the source.
Source Reduction (also source control): The technique of stopping and/or reducing pollutants at their
point of generation so that they do not come into contact with storm water.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 vii
Standard Industrial Classification (SIC): A system for classifying industries by four-digit codes. It is a
descriptor of the kind of work being done at a facility.
Stockpiling: Temporary open storage of earth materials in excess of 100 cubic yards upon any
premises except the premises upon which a grading permit has been issued for the purpose of using
the material as fill material at some other premises at a future time (ROH Chapter 14-13.3).
Storm Drains: Above- and below-ground structures for transporting storm water to streams or outfalls
for flood control purposes.
Storm Water: Defined as urban runoff consisting only of those discharges which originate from
precipitation events. Storm water is that portion of precipitation that flows across a surface to the
storm drain system or receiving waters.
Storm Water Discharge Associated with Industrial Activity: Discharge from any conveyance which is
used for collecting and conveying storm water from an area that is directly associated with industrial
activity.
Storm Water Pollution Control Plan (SWPCP): A written plan that documents the facility activities,
characterizes a site, and prompts for selection and implementation of actions which prevent the
pollution of storm water discharges. The State of Hawai‘i Industrial NPDES permits can require a
SWPCP.
Treatment Control BMPs: Treatment methods to remove pollutants from storm water.
Toxicity: Degree to which a chemical substance or a particular mixture of substances can damage an
organism, including the effect on a whole organism, such as an animal, bacterium or plant, as well as
the effect on a substructure of the organism, such as a cell or an organ. The word is synonymous with
poisoning.
Turbidity: Describes the ability of light to pass through water. The cloudy appearance of water caused
by large number of particles, some which are invisible to the eye.
Urban Runoff: Storm water from city streets and adjacent domestic or commercial properties that
carries pollutants (e.g. sediment, nutrients, bacteria, toxic chemicals, oil and trash) into the sewer
systems and receiving waters.
Vector: Organism that spreads disease (e.g. mosquitos and rodents).
Water Quality Standards: Defined as the water quality standards adopted by the State of Hawai‘i
pursuant to HAR, Chapters 11-54 (Water Quality Standards).
CCH Industrial and Commercial Storm Water Best Management Practice Manual
viii February 2019
Significant Additions and Revisions Made to the
Industrial and Commercial Facilities Storm Water
Best Management Practice Manual
This City & County of Honolulu Industrial and Commercial Facilities Storm Water Best Management
Practice (BMP) Manual reflects the current industrial and commercial storm water quality best
management practices and regulatory requirements for the State of Hawai‘i. The manual’s
organization is based on the California Stormwater Quality Association (CASQA) Industrial &
Commercial Stormwater Best Management Practice (BMP) Handbook published in 1993 and updated
in 2003 and 2014 and includes content as well. Some sections have been renamed and appendix
resources updated to reflect O‘ahu businesses and storm water issues.
This manual is primarily for businesses that are not required to have a National Pollution and
Discharge Elimination System (NPDES) permit and associated Storm Water Pollution Control Plans
(SWPCP). This differs from the CASQA Stormwater BMP Handbook that is focused on SWPCP for NPDES
Permit holders.
The following references and resources are referenced and/or cited in Industrial and Commercial
Facilities Storm Water BMP Manual and provided guidance.
• California Stormwater Quality Association (CASQA) Industrial & Commercial Stormwater Best
Management Practice (BMP) Handbook, 1993.
• City and County of Honolulu, Storm Water BMP Guide for New and Redevelopment, 2017.
• City and County of Honolulu, Storm Water Management Program Plan, Permit No. HI S000002,
2016.
• City and County of Honolulu, Storm Water BMP Manual for Construction, 2011.
• King County (Washington State), Stormwater Management Program Plan, 2017.
• King County (Washington State), Spill Response and Cleanup Plan Information Sheet, 2017.
• Minnesota Pollution Control Agency (Saint Paul, Minnesota), Industrial Stormwater Best
Management Practices Guidebook Version 1.1, 2015.
• NPDES Compliance Inspection Manual (305-K-17-001), 2017.
• Sacramento Stormwater Management Program, Best Management Practices for Industrial Storm
Water Pollution Control, 2003.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 1
1. Introduction
Storm water runoff occurs when rainwater moves over land or impervious surfaces, carrying pollutants
with it and depositing them into streams, coastal waters, groundwater and wetlands. Common storm
water pollutants from industrial and commercial activities include sediment, fertilizers or nutrients
such as nitrogen or phosphorous, bacteria, heavy metals, toxic chemicals, oil and grease, and trash
which can destroy aquatic habitats and marine life, pose public health risks and negatively impact
Hawai‘i’s economy and way of life, which rely heavily on water quality.
As part of the Clean Water Act, the Environmental Protection Agency (EPA) established the National
Pollutant Discharge Elimination System (NPDES) program. The NPDES program requires that anyone
discharging pollutants from a point source to a body of water obtain an NPDES permit. Since the City
and County of Honolulu’s (City’s) storm drain system discharges directly to streams and the ocean, the
City is required to obtain an NPDES permit. This permit requires the City to reduce the amount of
pollutants discharged from the City’s storm drain system to meet the water quality standards of the
State of Hawai‘i to the maximum extent practicable.
MANUAL PURPOSE AND SCOPE
Industrial and commercial facilities that have the potential for discharge into the City’s storm water
system should have a plan for implementing storm water best management practices (BMPs). BMPs
are water quality protective actions that prevent or control storm water pollutants from entering the
storm drain system. BMPs can also be physical structures or technologies that protect storm water
quality.
This manual provides industrial and commercial businesses with guidance for developing an
Industrial/Commercial BMP Plan to reduce the discharge of pollutants. An Industrial/Commercial BMP
Plan is a tool to communicate BMPs that a business will use to prevent or minimize pollutant
discharges. It begins with identifying activities that could cause pollutants and determining the
appropriate best management practices to prevent the pollutants from impacting water quality.
Instructions and forms are provided to assist businesses in creating their own individual BMP Plan.
An Industrial/Commercial BMP Plan is recommended for industrial and commercial businesses on
O‘ahu. An Industrial/Commercial BMP Plan may be required for facilities that have had storm water
quality violations. Facilities that have the more stringent Storm Water Pollution Control Plan (SWPCP)
required under their State Department of Health issued NPDES permit, do not need a City
Industrial/Commercial BMP Plan. However, an Industrial/Commercial BMP Plan is recommended for
businesses that have a Conditional No Exposure Exclusion (CNEE) Certificate.
The property owner is responsible for any pollution from the property and can be held responsible for
water quality problems caused by tenants. Owners should make sure tenants are informed of their
responsibilities as described in this manual. The consequences of violations as described in the
Revised Ordinances of Honolulu (ROH) are in the box below.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
2 February 2019
REVISED ORDINANCES OF HONOLULU
Section 14-12.28 Violation provisions
(a) Administrative and Civil Penalties. Any person violating any provisions of Article 12 of this
chapter, any order, permit or license issued hereunder, or any other standard or requirement shall
be liable for an administrative or civil penalty of not less than $1,000.00 nor more than $25,000.00
per violation per day, except that in cases where such offense shall continue after due notice, each
day's continuance of the same shall constitute a separate offense. In determining the amount of
the fine, the chief engineer shall consider the seriousness of the violation or violations, any history
of such violations, any good-faith efforts to comply with the applicable requirements, the economic
impact of the fine on the violator, and such other considerations that have a bearing on the amount
of the fine. In addition to the penalties provided herein, the city may recover reasonable attorney's
fees, court costs, court reporter's fees and other expenses of litigation by appropriate suit at law
against the person found to have violated this ordinance or the orders, rules, regulations, permits
and licenses hereunder.
(b) Criminal Penalties. Any person:
(1) Who willfully, intentionally, recklessly or negligently violates any provision of Article 12
of this chapter, order, permit or license issued hereunder, or any other requirement, shall upon
conviction be punished by a fine not less than $1,000.00 nor more than $25,000.00 or by
imprisonment not exceeding 90 days, or both, except that in cases where such offense shall
continue after due notice, each day's continuance of the same shall constitute a separate offense;
or
(2) Who knowingly makes any false statement or misrepresentation in any record, report
plan, or other document filed with the chief engineer, or tampers with or knowingly renders
inaccurate any monitoring device or sampling and analysis method required under Article 12 of this
chapter or by other law, shall be punished by a fine of not more than $25,000.00 or by
imprisonment for not more than six months, or both. Unless otherwise provided, this section shall
be controlled by the provisions of HRS, Hawai‘i Penal Code.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 3
RELATIONSHIP TO OTHER MANUALS
This manual is one of three manuals developed by the City and County of Honolulu to address BMP
selection and implementation to protect water quality. Collectively, the manuals address BMP
selection and implementation throughout the life of a project from planning and design to construction
and into operation and maintenance (Figure 1).
Figure 1 Project Lifecycle
STORM WATER POLLUTANTS AND IMPACTS ON WATER QUALITY
Industrial and commercial activities can increase pollutant concentrations to levels that may impact
water quality. Potential pollutants associated with storm water runoff include sediment, nutrients,
bacteria and viruses, biologicals, oil and grease, metals, synthetic organics, pesticides, and gross
pollutants (such as trash, debris, and floatables).
Activities and operations that occur at industrial and commercial facilities are often exposed to wet
weather. Runoff from rain and wind can carry materials and wastes into storm drainage systems and
receiving waters.
Examples of storm water pollutants and their impacts are described in Table 1.
Project Concept
Planning, Design &
Maintenance Plan
Project
Construction Operations & Maintenance
City Storm Water BMP
Guide for New and
Redevelopment July 2017
City Storm Water Best
Management Practice
Manual, Construction November 2011
City Industrial and
Commercial Facilities Storm
Water Best Management
Practice Manual February 2019
CCH Industrial and Commercial Storm Water Best Management Practice Manual
4 February 2019
Table 1 Pollutants and Impacts on Water Quality
Type Source Impacts on Water Quality
Synthetic
Organics • Widely-used adhesives, cleaners, sealants, solvents,
etc.
• Improperly stored and disposed synthetic organics.
• Cause environmental harm to waterways.
Oil and
Grease • Leakages and line breakage, spills, cleaning vehicle
and equipment engines and suspensions, outdoor
storage of equipment, maintenance activities, and
hydraulic systems, restaurants, and waste oil
disposal.
• Toxic to aquatic organisms.
• Some oil and greases are toxic to aquatic
organisms at low concentrations.
Sediment • Dirt, sand, and other matter that settles to the
bottom of storm water.
• Sediments can be suspended in water; total
suspended solids is a common water quality
measurement.
• Nutrients, trace metals, and hydrocarbons
(petroleum, oil, dyes, pesticides and plastics) can be
transported on sediments.
• Can be detrimental to fish and other aquatic
organisms by interfering with
photosynthesis, respiration, growth,
reproduction, and oxygen exchange.
Metals • Lead, zinc, cadmium, copper, chromium, nickel, etc.
• Metals are part of many artificial surfaces in the
urban environment (i.e., galvanized metal, paint,
anti-fouling paint application and removal and
automobiles, or preserved wood as well as tires and
vehicle brakes) which contain metals and enter
storm water as the surfaces corrode, flake, dissolve,
decay, or leach.
• Metals can be carried in storm water sediments and
is the case for over half the trace metal load.
• Can be toxic to aquatic organisms, can
bioaccumulate (mercury and selenium, in
particular, can accumulate to toxic levels in
aquatic animals such as fish).
• Some metals have the potential to
contaminate drinking water supplies.
Gross
Pollutants • Trash, debris, and floatables are common types of
gross pollutants.
• Plant debris (such as leaves and lawn-clippings from
landscape maintenance), animal excrement,
animals and invasives, street litter, and other
organic matter are also types of gross pollutants.
• Create an aesthetic “eye sore” in waterways.
• May harbor bacteria, viruses, hydrocarbons,
and vectors.
• May depress the dissolved oxygen levels in
streams and canals, sometimes causing fish
kills.
Pesticides • Herbicides, fungicides, rodenticides, and
insecticides.
• Pesticides have been repeatedly detected in storm
water at toxic levels, even when pesticides have
been applied in accordance with label instructions.
• May impact non-target animals such as
invertebrates and fish under certain
conditions.
Nutrients • Nitrogen and phosphorous, are commonly used as
fertilizers.
• Pet waste also contributes nutrients.
• Can result in accelerated algal growth which
can smoother coral reefs and deplete
oxygen.
• Can be toxic to fish (this is true for un-ionized
ammonia which is one form of the nitrogen).
Bacteria &
Viruses • Animal excrement, cesspools, failing septic systems
and sanitary sewer overflow.
• Cause disease and can create a human
health hazard.
• Can cause beach closures.
Vector
Production • Mosquitoes, flies and rodents with the most
common being mosquitoes.
• Sheltered habitats and standing water are
associated with vector production.
• Can transmit diseases to humans and
animals.
• Can create a human health hazard and
nuisance, both onsite and in the surrounding
area.
CCH Industrial and Commercial Storm Water Best Management Practice Manual
February 2019 5
2. Regulatory Requirements
In the following sections, Federal, State, and City programs are discussed in relationship to the control
of pollutants in storm water. The owners and operators of industrial and commercial facilities must
understand the relationship between the agencies, their jurisdictions, and the requirements of each,
as shown in Figure 2.
Figure 2 Framework Associated with Industrial Storm Water
FEDERAL NPDES PROGRAM
The Federal Water Pollution Control Act of 1972, also known as the Clean Water Act (CWA), as
amended in 1987, is the principal legislation for establishing requirements for the control of storm
water pollutants from urbanization and related activities. The storm water regulations associated with
the CWA require specific categories of industrial facilities, which discharge industrial storm water, to
obtain an NPDES permit. Those facilities that discharge industrial storm water, either directly to
surface waters (e.g., streams, canals, lakes, etc.) or indirectly, through municipal separate storm sewer
systems (MS4s) must be covered by a permit. This includes the discharge of “sheet flow” from an
industrial facility.
Federal law requires that specific industrial storm water discharges meet all provisions of Section 301
and 402 of the CWA to control pollutant discharges. These provisions require the use of best available
technology economically available and best conventional pollution control technology to reduce
pollutants and any more stringent controls necessary to meet water quality standards.
Hawai‘i Department
of Health
• Inspection
• Enforcement
Commercial & Industrial
Businesses
• Storm Water Pollution
Prevention Plan (SWPCP)
or Best Management
Practice (BMP) Plan
• Implementing BMPs
City Industrial Program
• Inventory
• Inspection
• Enforcement
Municipal
NPDES
Permit
Industrial General or
Individual NPDES
Permit
Revised Ordinances
of Honolulu (ROH)
US Environmental Protection Agency
• Clean Water Act
• National Pollutant Discharge Elimination System (NPDES)
Delegated Authority
CCH Industrial and Commercial Storm Water Best Management Practice Manual
6 February 2019
STATE NPDES PROGRAM
The NPDES program requires businesses with regulated activities to obtain an NPDES permit from the
USEPA or an authorized State agency. The State of Hawai‘i, Department of Health (DOH), Clean Water
Branch (CWB) has been delegated authority by the EPA to administer the NPDES Permit program in
Hawai‘i.
The two types of NPDES permits relevant to regulated industrial and commercial activities are 1)
general permit and 2) the individual permit:
1) General permits authorize a category of discharges sharing similar discharge characteristics
within a geographical area and the majority of industrial facilities, which discharge storm water
are permitted under general NPDES permits. The DOH webpage on General Permits
(http://health.hawaii.gov/cwb/permitting/general-permits/) provides details, including
general permit language. General Permit Authorizing Discharges of Storm Water Associated
with Industrial Activities is found in Hawai‘i Administrative Rules (HAR), Chapter 11-55,
Appendices B through L.
2) Individual permits are written to address specific businesses and their discharges and are
applicable to an individual facility or general permit to MS4 applicant based on discharge
characteristics. Permits are issued at DOH’s discretion, and businesses should confirm
requirements with the State DOH CWB. DOH may permit commercial businesses that are
significant sources of storm water pollution.
All facilities, discharges, and activities, with or without an NPDES permit, are required to comply with
the State Water Quality Standards (HAR, Chapter 11-54). Failure to comply may result in significant
fines for each violation and possible imprisonment.
Who must comply with the Industrial General Permit?
Storm water discharges associated with industrial activity are regulated under the storm water
program in 40 Code of Federal Register (CFR) 122.26(b)(14)(i)-(xi). These categories are described
in Table 2, excluding category (x) which is for construction and regulated separately. Certain
industrial facilities require a storm water permit whenever any of the listed activities occur onsite,
regardless of other types of activities or the facilities SIC code. Table 3 lists the primary SIC codes
covered by the storm water permitting requirements. The DOH CWB can require other facilities not
listed in Table 2 to obtain permit coverage as well via delegated authority from the EPA.
Under 40 CFR 122.26(g) operators of regulated industrial facilities in any of the 10 categories may
qualify for an exclusion if none of the facility’s industrial materials or activities are exposed to storm
water. This exclusion is referred to as a Conditional “No-Exposure” Exclusion (CNEE) by the State
of Hawai‘i. No exposure means all industrial materials and activities are protected by a storm-
resistant shelter to prevent exposure to rain and/or runoff. Industrial materials or activities include,
but are not limited to, material handling equipment or activities, industrial machinery, raw
materials, intermediate products, byproducts, final products, or waste products (40 Code of
Federal Register [CFR] 122.26(g)).
For more information visit the State of Hawai‘i, Department of Health, Clean Water Branch website
at: http://health.hawaii.gov/cwb/permitting/industrial-storm-water/.
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Table 2 Industrial Categories Associated with Industrial Activity
The 11 categories engaging in industrial activity are described below. Descriptions of SIC codes applicable to the storm water
regulations are provided in Table 3.
(i) Facilities subject to storm water effluent limitations guidelines, new source performance standards, or toxic pollutant
effluent standards under 40 CFR chapter I, subchapter N (except facilities with toxic pollutant effluent standards that
are exempted under category (xi) below.
(ii) Facilities classified as SIC 24 (except 2434), 26 (except 265 and 267), 28 (except 283), 29, 311, 32 (except 323),
33, 3441, and 373.
(iii) Facilities classified as SIC 10 through 14 (mineral industry) including active or inactive mining operations (except for
areas of coal mining operations no longer meeting the definition of a reclamation area under 40 CFR 434.11(l)
because the performance bond issued to the facility by the appropriate SMCRA authority has been released, or except
for areas of non-coal mining operations that have been released from applicable state or federal reclamation
requirements after December 17, 1990) and oil and gas exploration, production, processing, or treatment operations,
or transmission facilities that discharge storm water contaminated by contact with or that has come into contact with,
any overburden, raw material, intermediate products, finished products, byproducts or waste products located on the
site of such operations; (inactive mining operations are mining sites that are not being actively mined, but which have
an identifiable owner/operator; inactive mining sites do not include sites where mining claims are being maintained
prior to disturbances associated with the extraction, beneficiation, or processing of mined materials, nor sites where
minimal activities are undertaken for the sole purpose of maintaining a mineral claim).
(iv) Hazardous waste treatment, storage, or disposal facilities, including those that are operating under interim status or a
permit under subtitle C of RCRA.
(v) Landfills, land application sites, and open dumps that receive or have received any industrial wastes (waste that is
received from any of the facilities described under this subsection) including those that are subject to regulation under
subtitle D of RCRA.
(vi) Facilities involved in the recycling of materials, including metal scrap yards, battery reclaimers, salvage yards, and
automobile junkyards, including but not limited to those classified as SIC 5015 and 5093.
(vii) Steam electric power generating facilities, including coal handling sites.
(viii) Transportation facilities classified as SIC 40, 41, 42 (except 4221-25), 43, 44, 45, and 5171 that have vehicle
maintenance shops, equipment cleaning operations, or airport deicing operations. Only those portions of the facility
that are either involved in vehicle maintenance (including vehicle rehabilitation, mechanical repairs, painting, fueling,
and lubrication), equipment cleaning operations, airport deicing operations, or that are otherwise identified under
paragraphs (i)–(vii) or (ix)–(xi) of this section are associated with industrial activity.
(ix) Treatment works treating domestic sewage or any other sewage sludge or wastewater treatment device or system, used
in the storage, treatment, recycling, and reclamation of municipal or domestic sewage, including land dedicated to the
disposal of sewage sludge that are located within the confines of the facility, with a design flow of 1.0 million gallons a
day (MGD) or more, or required to have an approved pretreatment program under 40 CFR Part 403. Not included are
farm lands, domestic gardens or lands used for sludge management where sludge is beneficially reused and that are
not physically located in the confines of the facility, or areas that are in compliance with section 405 of the CWA.
(x) Construction activity including clearing, grading and excavation activities except operations that result in the
disturbance of less than five acres of total land area that are not part of a larger common plan of development or sale.
Note—this category of industrial activity is typically covered under a construction storm water general permit, and not
an industrial storm water general permit.
(xi) Facilities under SIC 20, 21, 22, 23, 2434, 25, 265, 267, 27, 283, 285, 30, 31 (except 311), 323, 34 (except 3441),
35, 36, 37 (except 373), 38, 39, 4221–4225, (and which are not otherwise included within categories (i)–(x).
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Table 3 SIC Codes Regulated for Storm Water Discharges
SIC Description
Mining
10 Metal Mining
12 Coal Mining
13 Oil and Gas Extraction
14 Mining and Quarrying of Nonmetallic Minerals, Except Fuels
Manufacturing
20 Food and Kindred Products
21 Tobacco Products
22 Textile Mill Products
23 Apparel and Other Finished Products Made from Fabrics and Similar Materials
24 Lumber and Wood Products, Except Furniture
2434 Wood Kitchen Cabinets
25 Furniture and Fixtures
26 Paper and Allied Products
265 Paperboard Containers and Boxes
267 Converted Paper and Paperboard Products, Except Containers and Boxes
27 Printing, Publishing, and Allied Industries
28 Chemicals and Allied Products
283 Drugs
285 Paints, Varnishes, Lacquers, Enamels, and Allied Products
29 Petroleum Refining and Related Industries
30 Rubber and Miscellaneous Plastic Products
31 Leather and Leather Products
311 Leather Tanning and Finishing
32 Stone, Clay, Glass, and Concrete Products
323 Glass Products, Made of Purchased Glass
33 Primary Metals Industry
34 Fabricated Metal Products, Except Machinery and Transportation Equipment
3441 Fabricated Structural Metal
35 Industrial and Commercial Machinery and Computer Equipment
36 Electronic and Other Electrical Equipment and Components, Except Computer Equipment
37 Transportation Equipment
373 Ship and Boat Building and Repairing
38 Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks
39 Miscellaneous Manufacturing Industries
Transportation, Communications, Etc.
40 Railroad Transportation
41 Local and Suburban Transit and Interurban Highway Passenger Transportation
42 Motor Freight Transportation and Warehousing
4221 Farm Product Warehousing and Storage
4222 Refrigerated Warehousing and Storage
4225 General Warehousing and Storage
43 United States Postal Service
44 Water Transportation
45 Transportation by Air
Wholesale Trade
50 Wholesale Trade—Durable Goods
5015 Motor Vehicle Parts, Used
5093 Scrap and Waste Material
51 Wholesale Trade—Nondurable Goods
5171 Petroleum Bulk Stations and Terminals
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CITY STORM WATER MANAGEMENT PROGRAM
A NPDES permit is required for the City and County of Honolulu to discharge storm water into receiving
State water bodies because the City’s MS4 is categorized as a large MS4 serving a population of more
than 250,000. This City Industrial and Commercial Storm Water Best Management Practice Manual
reflects the requirements of the City’s MS4 NPDES Permit No. HI S000002 (Permit) issued by the DOH.
The City’s NPDES permit requires implementation of an Industrial and Commercial Activities Discharge
Management Program. The City’s responsibilities include:
• Maintaining an inventory of industrial and commercial businesses/activities;
• Conducting education and outreach to owners and operators of industrial and commercial
businesses/activities;
• Performing inspections to detect and eliminate illicit discharges; and
• Requiring facilities that conduct industrial activities to comply with City ordinances and
requirements as related to the City’s NPDES permit.
Industrial and commercial facilities discharging to the City, a regulated MS4, are subject to local
ordinances and requirements pursuant to the City’s NPDES permit in addition to any applicable State
of Hawaii Department of Health requirements. Listed below are related Revised Ordinances of
Honolulu (ROH) in summary and below with more details:
• Section 14-12.12 Connection to city-owned separate storm sewer system - Violation
• Section 14-12.22 Discharge of effluent other than storm water runoff - Violation
• Section 14-12.23 Environmental Quality Control - Violation
Storm Drain Connection License – ROH Section 14-12.12
The City requires private property connected to the City storm water drainage system to have a storm
drain connection license issued to the property owner. Any private system that is connected to the
City’s storm water drainage system without a license is considered to be an illegal drainage connection
under ROH, Section 14-12.12. See also BMP Fact Sheet A-5.
Illicit Discharges – ROH Section 14-12.22
Illicit discharges are discharges to the City’s storm water system (or streams or oceans) that are not in
compliance with applicable laws and regulations, such as the City’s storm water system NPDES permit
or the NPDES permit for the business. Here are excerpts from the ROH, Section 14-12.22 regarding
discharges and violations.
(a) No person shall discharge any effluent other than storm water runoff onto any public right of way
and/or into any drainage facility without first obtaining a permit from the chief engineer. The chief
engineer will only issue a permit upon application when the chief engineer determines that such
discharge will not create a drainage or pollution problem or cause a violation of any provisions of
the city NPDES permit. The chief engineer may condition the granting of the permit with
requirements to prevent drainage and/or pollution problems or mitigative measures which will
meet any conditions of the city NPDES permit. Except for those nonstorm water discharges
authorized by the city NPDES permit, no discharge shall commence unless an NPDES permit is
first obtained from the Department of Health, State of Hawai‘i, for the discharge of any pollutant
into state waters through the municipal separate storm sewer system.
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(e) Any discharge which violates any condition of the permit or the state water quality standards
in Chapter 11-54, Hawai‘i Administrative Rules (HAR), shall also be a violation of Article 12 of
this chapter and may result in a cease and desist order. In addition, the city by written notice
may terminate the permit for any discharge which violates any condition of the permit or the
state water quality standards in Chapter 11-54, HAR.
Environmental Quality Control – ROH Section 14-12.23
It is unlawful for any person to discharge or cause to be discharged any pollutant into any drainage
facility which causes a pollution problem in State water, or causes a violation of any provision of the
City NPDES permit or the water quality standards of the State of Hawai‘i per ROH Section 14.12.23
Environmental Quality Control.
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3. Industrial/Commercial BMP Plan Development
This section provides guidance on developing
an Industrial/Commercial BMP. The Plan
should communicate BMPs to be used to
prevent or minimize pollutant discharges into
the storm drain system.
The components of an Industrial/
Commercial BMP Plan are site
characterization (using a business
description and site map), identification of
pollution control strategies (by listing
potential pollutants and BMPs to address
them), a spill response plan, self-inspections
plan and training plan.
The components of an Industrial/
Commercial BMP Plan are shown in Figure 3
and described on the following page with the
corresponding forms that are provided in
Appendix C.
Figure 3 Industrial/Commercial
BMP Plan Components
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A. BUSINESS DESCRIPTION – FORM A
The business description is the first step in development of an Industrial/Commercial BMP Plan and
helps to characterize the site. Describing activities and operations onsite aids in identifying potential
sources of pollutants.
The following items should be covered in the facility description and are listed on Form A:
a. Location – use the facility address.
b. Facility Use & Operations – describe what type of activities occur (e.g. retail sales, repairs) and
indicate whether activities are inside, under cover outside or outside without cover. List areas
where chemicals (including pesticides and fertilizers) are currently applied.
c. Hours of Operation – provide hours of operations by day of the week.
d. Site Features – describe the buildings, paved parking lots, vehicle and equipment parking
areas, chemical storage area, water disposal area and collection, and storm water features
such as oil and water separators and onsite storm drains, as applicable. Also, describe which
areas are paved, vegetated or have bare soil.
Forms can be found in Appendix C.
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B. SITE MAP – FORM B
The site map helps in identification of potential sources of pollutants and expected flow directions
should a spill or other discharge of pollutants occur.
The site map should include:
a. Property Boundary – the City’s GIS site (gis.hicentral.com) may be useful for identification of
boundaries.
b. Entrance(s), Streets, and Adjacent Properties – indicate the entrance(s) to the property and
names of adjacent streets and businesses.
c. Chemical & Material Storage Areas
d. Waste Disposal Areas
e. Storm Water Flow Directions – show based on site topography, ‘flow arrows’ that indicate the
anticipated direction that a spill would flow if it occurred.
If Applicable:
f. Storm Water Drainage Structures & Nearby Canals, Streams or Ocean - show locations of storm
drain structures such as catch basins, or grate/drain inlets.
g. Location of Structural BMPs – structural, vegetative or managerial practices used to treat,
prevent or reduce water pollution. Examples include infiltration basins, porous concrete, and
grassed swales or ditches for vegetative BMPs.
Forms can be found in Appendix C.
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C. POLLUTANT CONTROL STRATEGIES – FORM C
Pollutant control strategies are developed so that facilities are prepared to prevent, and address
issues should they arise.
The first step is to identify potential pollutant activities and enter them in the first column on Form C. The
potential pollutant activities are identified based on the predominant activities conducted at the Facility.
The second step is to match the sources with appropriate best management practices (BMPs) to prevent
or contain potential discharges of polluted water from the site. The BMP Activity sheets (A-1, A-2, etc.) can
be found in Appendix A. The BMPs should be entered in the second column on Form C.
Forms can be found in Appendix C.
For selected types of commercial businesses, Appendix B provides Business Guide Sheets that match
common pollutant generating activities with BMPs.
The appropriate BMP Activity Sheets should be included as part of the Industrial/Commercial BMP
Plan. BMPs may also include maintenance of treatment control BMPs (such as detention basins or
sand filters) which should also be listed on Form C. The Treatment Control BMPs Operations and
Maintenance Fact Sheets from the City Storm Water BMP Guide for New and Redevelopment should
be included in the Plan if applicable.
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D. SPILL RESPONSE PLAN – FORM D
Any business which stores and/or uses hazardous materials should have a spill response plan. A spill
response plan is a facility specific plan that explains how to respond to a spill if it occurs. The spill
response plan should be understood by all employees and available as a reference.
To prevent and prepare for potential spills, the following information should be included in the spill
response plan and communicated to employees:
a. Hazardous material storage areas and locations – the site map can be used here.
b. Material handling procedures – Safety Data Sheets (SDS) can be included and employees
should know how spill clean-up should be handled for different types of materials (e.g. acids,
oil, solvents).
c. Spill response procedures to prevent/mitigate spills to storm drain systems
d. Locations of spill clean-up and materials – These should be described and noted on a site map
and included in the spill response plan.
Spill Documentation & Reporting -
Releases of certain hazardous
substances require immediate reporting
per Hawai‘i Administrative Rules 11-
451-7. Reporting requirements
guidance is provided on Form D. As part
of the overall training program,
personnel should be trained to prevent
and control spills and proper spill clean-
up procedures.
Following spill clean-up, a review should
be conducted to assess whether the spill
response plan is adequate for the site
and determine areas for improvements.
The spill response plan should be
reviewed regularly to make sure it is up-
to-date. This could be done in
conjunction with annual employee
training.
Forms can be found in Appendix C.
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E. SELF-INSPECTIONS – FORM E
Monthly self-inspections help to ensure that the BMPs in the Industrial/Commercial BMP Plan are
being implemented. Inspections can be used to create a tailored self-inspection form for the business.
The most common areas and topics are listed on Form E and addition of inspection items specific to
the business should be added to the form and copied for all future inspections.
City and State inspectors will conduct their own inspections.
F. TRAINING PLAN / LOG – FORM F
Employees need to know what to do in response to a potentially contaminating event. Train the
employees who work with the materials or activities that could impact storm water, and who do
inspections or maintenance of the storm water management methods or systems. BMP activity sheet
A-4 Employee Training provides training guidance.
The topics to be covered in the training include:
• Purpose of the Industrial/Commercial BMP Plan
• Sources of potential pollutants that could affect storm water
• BMPs to address pollutant sources
• Spill Response Plan
• Monthly self-inspections
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4. Industrial and Commercial Activity BMPs
Industrial and Commercial Activity BMPs, or Activity BMPs, reduce the exposure of materials and pollutants
to storm water, thereby reducing the amount of pollutants picked up by the storm water. Activity BMPs are
aimed at industrial and commercial activities that produce the potential for storm water contaminants.
The Industrial and Commercial Activity BMP Fact Sheets are listed in Table 4 and provided in Appendix
A. The Activity (“A”) BMP fact sheets are for inclusion in a facility’s BMP Plan, and can be downloaded
from the City’s website at: www.cleanwaterhonolulu.com. For certain commercial businesses,
separate business guide sheets have been developed that incorporate business specific source
control BMPs. These are discussed in the following section and provided in Appendix B.
Table 4 Industrial and Commercial Activity BMP Fact Sheets
General
A-1 Spill Prevention, Control & Cleanup
A-2 Waste Handling & Disposal
A-3 Housekeeping Practices
A-4 Employee Training
A-5 Drain Connections
Vehicle & Equipment Management
A-6 Vehicle & Equipment Fueling
A-7 Vehicle & Equipment Washing
A-8 Vehicle & Equipment Maintenance & Repair
A-9 Vehicle Painting
A-10 Vehicle & Equipment Staging
Material & Waste Management
A-11 Loading/Unloading
A-12 Liquid Container Storage
A-13 Equipment & Operations Maintenance
A-14 Storage of Solid Materials & Products
Building & Grounds Management
A-15 Contaminated or Erodible Areas
A-16 Building Repair & Construction
A-17 Parking Area Maintenance
A-18 Building & Sidewalk Power Washing
A-19 Pool, Fountain & Spa Maintenance
A-20 Landscape Maintenance
A-21 Fire Sprinkler Testing
A-22 Drainage System Maintenance
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5. Business Guide Sheets
Business Guide Sheets address activities typically associated with a certain type of business and
identify Industrial and Commercial BMP Fact Sheets for these activities. The guide sheets are meant
to provide a framework and guidance for selection of BMPs and do not guarantee compliance due to
the diversity of activities and site conditions.
The Business Guide Sheets include some of the more common business types that have high potential
to pollute storm water based on activities and products used. Most of the businesses discussed in this
chapter are not required to obtain permit coverage under State and Federal storm water regulations.
However, these businesses still need to prevent pollutants from discharging off their property.
Table 5 provides a listing of the Business Guide Sheets which are provided in Appendix B.
Table 5 Business Guide Sheets
Automotive Services
B-1 Auto Body Repair
B-2 Auto Maintenance
B-3 Retail Gas Stations
Restaurants & Food Industry
B-4 Restaurants & Food Industry
B-5 Lunch Wagons, Food Trucks, Carts & Tents
Other Businesses
B-6 Scrap Metal Recyclers & Towing Yards
B-6 Building and Property Maintenance
B-7 Contractor Baseyards
B-8 Repair Shops
B-9 Self-Storage
B-10 Small Animal Care Facilities
B-11 Wholesalers/Retailers
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6. Treatment Control BMPs Operations &
Maintenance Fact Sheets
Treatment control BMPs (also referred to as Permanent or Post-Construction BMPs) are ongoing
treatment methods to remove pollutants from storm water. Inspection and maintenance are necessary
to verify that each treatment control BMP performs efficiently throughout its life. Treatment Control
BMPs Operations & Maintenance (O&M) Fact Sheets describe the minimum inspection and
maintenance requirements for selected treatment control BMPs. In addition to regular self-inspections
of the treatment control BMPs, the City’s Storm Water Quality Branch also conducts periodic
inspections to ensure they are being properly maintained.
Treatment Control BMP O&M Fact Sheets are listed in Table 6 and provided in the City Storm Water
BMP Guide for New and Redevelopment, July 2017.
Table 6 Treatment Control BMPs
Operations & Maintenance BMP Fact Sheets
OM-01 Bio-Retention Basin
OM-02 Detention Basin
OM-03 Green Roof
OM-04 Infiltration Trench/Basin
OM-05 Manufactured Treatment Device
OM-06 Pervious Pavement
OM-07 Rainwater Harvesting
OM-08 Sand Filter
OM-09 Vegetated Biofilter
OM-10 Vegetated Swale/Strip
Spill Prevention, Control & Cleanup Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 1
A-1 Spill Prevention, Control & Cleanup
Spills and leaks are some of the largest contributors of storm water
pollutants. Many industrial and commercial activities have the
potential for accidental spills. Being prepared for these spills can
minimize hazardous materials going into the storm drain system and
into streams and the ocean.
Spill Prevention and Preparedness
• Store and contain liquid materials in such a manner that if the
container is ruptured, the contents will not discharge, flow, or be
washed into the storm drainage system, surface waters, or
groundwater.
• Label all containers according to their contents (e.g. solvent,
gasoline).
• Label hazardous substances regarding the potential hazard
(corrosive, radioactive, flammable, explosive, poisonous).
• Prominently display required labels on transported
hazardous and toxic materials (per US DOT regulations).
• Place drip pans or absorbent materials beneath all
mounted taps, and at all potential drip and spill locations
during filling and unloading of tanks.
• Check tanks and any containment sumps daily for leaks
and spills. Replace tanks that are leaking, corroded, or
otherwise deteriorating with tanks in good condition. If the
liquid is oil, gas, or other material that floats on water,
install a spill control device (such as a tee section) in the
catch basins to collect runoff from the storage tank area.
• Recycle, reclaim, or reuse materials whenever possible.
This will reduce the amount of process materials that are
brought into the facility.
Spill Response Plan
• Develop a spill response plan for the business/site. Appendix C contains forms for developing a
spill response plan specific to a business/site.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Spill Prevention, Control & Cleanup Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 2
Spill Response
• Clean up leaks and spills immediately.
• Store and maintain an adequate supply of spill cleanup
materials in readily accessible places.
• On paved surfaces, clean up spills with as little water as
possible.
o Use a rag for small spills.
o Use dry absorbent material for larger spills.
o If the spilled material is hazardous, then used cleanup
materials are also hazardous and must be disposed of
as hazardous waste or sent to a certified laundry.
o Use a damp mop for general cleanup.
• For dry material spills
o Use physical methods for the cleanup of dry
chemicals (e.g. brooms, shovels, sweepers, or
vacuums), if possible.
o Never hose down or bury dry material spills.
Sweep up the material and dispose of properly.
• Cleanup of large chemical spills should use
adsorbents, gels, and foams. For small spills, use
absorbent materials rather than hosing down the
spill.
• Remove the adsorbent materials promptly and
dispose of properly.
• If a dead-end sump is not used to collect spills, install
an oil/water separator.
• For larger spills, a private spill cleanup company or Hazardous Materials (HAZMAT) response team
may be necessary.
Reporting & Record Keeping
• Promptly report spills that pose an immediate threat to human health or the environment to the
State of Hawai‘i Department of Health, Hazard Evaluation & Emergency Response Office at (808)
586-4249 or (808) 247-2191 (after business hours).
• Federal regulations require that any oil spill into a water body or onto an adjoining shoreline be
reported to the National Response Center (NRC) at 1-800-424-8802 (24 hour).
• Report spills into MS4 (City Street) to Storm Water Quality (SWQ) Branch at (808) 768-3242.
• Report spills to 911 for dispatch and clean-up assistance when needed. Do not contact fire
agencies directly.
• Comply with State regulations regarding spill reporting.
Waste Handling & Disposal Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 3
A-2 Waste Handling & Disposal
Improper storage and handling of solid wastes can allow toxic compounds, oils and greases, heavy
metals, nutrients, suspended solids, and other pollutants to enter storm water runoff. The discharge
of pollutants to storm water from waste handling and disposal can be prevented and reduced through
source control pollution prevention and BMP implementation.
Waste Collection and Receptacle Area
• Keep waste collection areas clean.
• Use only watertight dumpsters and keep the lids closed. Secure solid waste containers; containers
must be closed tightly when not in use.
• Install a roof over the dumpster area or place waste containers under cover, if possible.
• Grade and pave the dumpster area to prevent run-on of storm water.
• Install a low containment berm around the dumpster area.
• Use and maintain drip pans under dumpsters.
• Do not fill dumpsters with washout water or any other liquid.
• Ensure that only appropriate solid wastes are added to dumpsters. Certain wastes such as
hazardous wastes, appliances, fluorescent lamps, pesticides, etc. may not be disposed of in solid
waste containers.
• Do not mix wastes; this can cause chemical reactions, make recycling impossible, and complicate
disposal.
• Post waste disposal charts in appropriate locations detailing for each waste its hazardous nature
(poison, corrosive, flammable), prohibitions on its disposal (dumpster, drain, sewer) and the
recommended disposal method (recycle, sewer, burn, storage, landfill).
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Waste Handling & Disposal Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 4
Litter Control
• Provide a sufficient number of trash cans for the facility.
• Clean out trash cans frequently and cover to prevent spillage.
Transfers
• Transfer waste from damaged containers into safe containers.
• Take special care when loading or unloading wastes to minimize loses. Loading systems can be
used to minimize spills and fugitive emission losses such as dust or mist. Vacuum transfer systems
can minimize waste loss.
• Use drip pans or absorbent materials whenever grease containers are emptied by vacuum trucks
or other means.
Storage Areas
• Cover storage containers with leak proof lids or other means. If waste is not in containers, cover
all waste piles (plastic tarps are acceptable coverage) and prevent storm water run-on and runoff
with a berm. Waste containers or piles must be covered except when in use.
• Check storage containers weekly for leaks and ensure that lids are on tightly. Replace any
containers or lids that are leaking, corroded, or otherwise deteriorating.
• Sweep and clean the storage area regularly. Do not hose down the area to a storm drain.
• Dispose of rinse and wash water from cleaning waste containers into a sanitary sewer if allowed
by the City’s Department of Environmental Services. Do not discharge wash water to the street or
storm drain.
Chemical/Hazardous Wastes
• Select designated hazardous waste
collection areas onsite.
• Store hazardous materials and
wastes in covered containers,
protected from vandalism, and in
compliance with fire and hazardous
waste codes.
• Place hazardous waste containers in
secondary containment.
• Make sure that hazardous waste is collected, removed, and disposed of only at authorized disposal
areas.
Waste Handling & Disposal Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 5
Preventing Run-On & Runoff
• Prevent storm water run-on from entering the waste
management area by enclosing the area or building a
berm around the area.
• Prevent the waste materials from direct contact with
rain.
• Cover waste piles with material such as reinforced
tarpaulin, polyethylene, polyurethane, polypropylene or
hypalon for temporary protection.
• Cover the area with a permanent roof if feasible.
• Cover dumpsters to prevent rain from washing waste out
of holes or cracks in the bottom of the dumpster.
Inspection & Maintenance
• Regularly inspect dumpsters for structural damage or leaks. Repair or replace damaged containers
as necessary.
• Inspect and repair leaking equipment including valves, lines, seals, or pumps promptly.
• Transfer waste from damaged containers into safe containers.
Housekeeping Practices Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 6
A-3 Housekeeping Practices
Poor housekeeping practices can potentially result in harmful materials such as fertilizers, pesticides,
cleaning solutions, paint products, automotive products, and swimming pool chemicals entering storm
water. A clean, organized workspace reduces this risk and can create a safer and more efficient work
place. Related information is provided in BMP fact sheets A-1 Spill Prevention, Control & Cleanup and
A-2 Waste Handling & Disposal.
Cleanup
• Keep work sites clean and orderly.
• Remove debris in a timely fashion.
• Sweep the area.
• Dispose of wash water, sweepings, and sediments, properly.
• Recycle or dispose of fluids properly.
• Establish a daily checklist of office, yard and plant areas to confirm cleanliness and adherence to
proper storage and security. Specific employees should be assigned specific inspection
responsibilities and given the authority to remedy any problems found.
Storage
• Provide an adequate number of trash receptacles for your customers and employees. This helps
keep trash from overflowing the receptacles.
• Avoid storage of large quantities of materials. Purchase only the amount of material that will be
needed for foreseeable use.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Employee Training Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 7
A-4 Employee Training
A successful employee training program empowers employees to
prevent pollutants from entering storm water. Employees should
know the best management practices for the business activity they
conduct. Employees should be regularly trained, and records should
be kept of the trainings provided.
Training Purpose
The four objectives for employee training are:
• Promote a clear identification of issues and activities with the
potential to pollute storm water;
• Identify solutions (BMPs);
• Promote employee ownership of the problems and the solutions; and
• Integrate employee feedback into training and BMP implementation.
Training Methods
• Train employees who are involved in activities that may cause pollutants to enter the storm drain
system.
• Cover topics of storm water management, potential contamination sources, and BMPs.
• Train employees in standard operating procedures and spill cleanup techniques. See BMP Activity
Fact Sheet A-1 Spill Prevention, Control & Cleanup. Employees trained in spill containment and
cleanup should be present during the loading/unloading and handling of materials.
• Make sure to identify locations of supplies and tools for BMP implementation (e.g. spill clean-up
materials).
• Use courses, seminars, workshops, product demonstrations, employee meetings, posters, and
bulletin boards as appropriate.
• Consider posting quick reference guides around the workplace to reinforce the training. Train
personnel who use pesticides. The State Department of Agriculture, Pesticides Branch, licenses
pesticide dealers, certifies pesticide applicators, and conducts onsite inspections.
• Promote open communication between employees and management and improve storm water
quality management based on past experience involving water quality problems. Implement
revised practices and procedures in training. A successful employee training program empowers
employees to prevent pollutants from entering storm water.
• Use and reward employee suggestions related to BMPs, hazards, pollution reduction, work place
safety, cost reduction, alternative materials and procedures, recycling and disposal.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Employee Training Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 8
Training Frequency
• Train employees upon hiring and at least once per year.
Training Resources
• Resources are available on the City and County of Honolulu Storm Water Quality website:
cleanwaterhonolulu.com. Go to Learning Center tab for Industry/Retail for printed materials and
videos to use in training.
Training Log
• Keep a training log that includes training topic, trainer, attendees, date, and frequency. The
training log should help your business to track when training refreshers are needed. See Appendix
C for a sample form. Having a training log demonstrates to City and State inspectors that pollution
prevention training is occurring.
Drain Connections Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 9
A-5 Drain Connections
All drainage connections from non-municipal and private property to the City drainage system must
have a storm drain connection license issued to the property owner.
A drainage connection can be via a drainage pipe, including pipes or hoses, that conveys water flow
directly into a gutter, channel, or drainage structure. A drain connection can also be via a ditch
(channel) or swale and may include private drainage systems that convey water flow into the City
drainage system. The pictures below illustrate the most common types of commercial and industrial
drain connections.
Drain Connections Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 10
Drain Connection Requirements
• Each property owner of a shared private drainage system is required to have a private drain
connection license.
• Property owners are responsible for the care and maintenance of their connection and/or private
drainage system and should prevent pollutants from entering the City’s drainage system to the
maximum extent practicable.
Violations/Fines
• Any private storm drain system that is connected to the City’s MS4 without a license issued to the
property owner is considered an illegal storm drain connection.
• The City may issue warnings or fines depending on the severity of the violation, which could range
from $1,000 to $25,000 per violation per day.
Drain Connection Licenses
• To apply for a storm drain license online:
o Go online to www.cleanwaterhonolulu.com
o Click on Forms in the left bar
o Scroll down to Private Storm Drain Connections
o Click on “Application” to download the application
o Complete and send in per the instructions on the form.
o For questions, call the Department of Planning and Permitting (DPP) at 768-8106.
Inspections & Maintenance:
• Refer to A-22 Drainage System Maintenance.
Vehicle & Equipment Fueling Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 11
A-6 Vehicle & Equipment Fueling
Fuel Dispensing Areas
• “Spot clean” leaks and drips routinely.
• Sweep the fueling area periodically, if it is paved, to collect loose particles, and wipe up spills with
rags and other absorbent material immediately. Use dry cleaning methods. Do not hose down the
area to a storm drain.
• Install vapor recovery nozzles to help control drips as well as air pollution.
• Fit fuel dispensing nozzles with automatic shutoffs except where prohibited by local fire departments.
• Post signs at the fuel dispenser or fuel island warning vehicle owners/operators to discourage
"topping off" vehicle fuel tanks.
Fuel Dispensing Area Design
• Pave area with concrete rather than asphalt to prevent fuel from infiltrating into the ground. Use
secondary containment when transferring fuel from the tank truck to the fuel tank. Cover storm
drains in the vicinity during transfer.
• Ensure the following safeguards are in place:
o Overflow protection devices on tank systems to warn the operator or automatically shut down
transfer pumps when the tank reaches full capacity.
o Protective guards around tanks and piping to prevent damage to tanks from vehicles or forklifts.
o Clear tagging or labeling of all valves to reduce human error.
o Emergency shut-off and emergency phone number.
• Ensure fueling area is covered and not exposed to rain.
• Minimize run-on to fueling area.
• Trash
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Vehicle & Equipment Fueling Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 12
Air/Water Supply Area
• Minimize the possibility of storm water
pollution from air/water supply areas by:
o Spot cleaning leaks and drips
routinely to prevent runoff of
spillage.
o Grading and paving the air/water
supply area to prevent storm water
from running onto the area.
o Installing a roof over the air/water
supply area.
• Install a low containment berm around
the air/water supply area.
Operation & Maintenance
• Clean out of sumps and oil/water separators as required for devices to maintain their
effectiveness, usually at least once a month. Sediment removal is also required on a regular basis
to keep the device working efficiently.
• Keep ample supply of spill cleanup materials onsite.
• Inspect fueling areas, storage tanks, catch basin inserts, containment areas, and drip pans on a
regular schedule and repair immediately.
• Comply with all federal and state requirements regarding underground storage tanks.
Inspection
• Above ground tank leak and spill control:
o Check for external corrosion and structural failure.
o Check for spills and overfills due to operator error.
o Check for failure of piping system.
o Check for leaks or spills during pumping of liquids or gases from truck to a storage facility or
vice versa.
o Visually inspect new tank or container installation for loose fittings, poor welding, and improper
or poorly fitted gaskets.
o Inspect tank foundations, connections, coatings, and tank walls and piping system. Look for
corrosion, leaks, cracks, scratches, and other physical damage that may weaken the tank or
container system.
o Conduct integrity testing periodically by a qualified professional.
• Inspect and clean, if necessary, storm drain inlets and catch basins within the facility boundary
before and after major storm events.
Vehicle & Equipment Washing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 13
A-7 Vehicle & Equipment Washing
Vehicle and equipment cleaning performed outdoors or in areas where wash water flows onto the
ground can contribute toxic hydrocarbons and other organic compounds, oils and greases, nutrients,
phosphates, heavy metals, and suspended solids to storm water runoff.
Vehicle & Equipment Cleaning
• Use dry cleaning methods to remove debris and sweep area; avoid washing with water when
possible.
• Use biodegradable, phosphate-free detergents for washing vehicles.
• Map onsite storm drain locations to avoid discharges to the storm drain system.
Designated Wash Area
• Mark the area clearly as a wash area by:
o Posting signs stating that only washing is allowed in wash area; and
o Providing information on how washing is to be done.
• Have all vehicle and equipment washing done in areas designed to collect and hold the wash and
rinse water and effluent generated. Recycle, collect or treat wash water effluent prior to discharge
to the sanitary sewer system (which goes to a waste water treatment plant).
• If washing/cleaning must occur onsite, consider washing vehicles and equipment inside the
building or on an impervious surface to control the targeted pollutants by directing them to the
sanitary sewer, rather than the storm water system.
• If washing must occur onsite and outdoors:
o Use designated paved wash areas. This area must be covered or bermed to collect the wash
water and graded to direct the wash water to a treatment or disposal facility.
• Sediment
• Nutrients
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Vehicle & Equipment Washing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 14
o Do not conduct oil changes and other
engine maintenance in the designated
washing area. Perform these activities in a
place designated for oil change and
maintenance activities.
o Cover the wash area when not in use to
prevent contact with rain water.
o Wash in an area where water can stay
onsite and evaporate, if possible.
o Use a wash bucket to limit the amount of
wash water.
• Provide trash containers in wash area.
• Do not permit steam cleaning wash water to enter the storm drain system.
• Use hoses with nozzles that automatically turn off when left unattended.
• Install sumps or drain lines to collect wash water for treatment.
Managing Vehicle Wash Water
• Collect all wash water from vehicle and equipment cleaning operations. Treat and recycle the water
- or discharge wash waters to a sanitary sewer system. Contact City and County of Honolulu
Environmental Services regarding industrial wastewater discharge requirements of discharge to
sanitary sewer.
• Large quantities of wash waters may require treatment at the facility. Treatment using a process
treatment system (e.g., holding tank, filtration system) requires engineering and capital
expenditures.
Operation & Maintenance
• Perform regular wash and collection system inspections and repair.
• Sweep washing areas frequently to remove solid debris.
• Repair berms and dikes as necessary.
• Some areas may require pretreatment and monitoring of wash water discharges to the sanitary
sewer.
Inspections
• Perform routine inspections of drain lines, holding tanks, and hoses and repair leaks immediately.
• Perform routine inspection and maintenance of wash water recycling and treatment systems.
• Inspect and maintain sumps, oil/water separators, and onsite treatment/recycling units.
Vehicle & Equipment Maintenance & Repair Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 15
A-8 Vehicle & Equipment
Maintenance & Repair
Vehicle or equipment maintenance and repair are potentially significant sources of storm water
pollution due to use of harmful materials and wastes during maintenance and repair processes.
Designated Vehicle Maintenance Area
• Check incoming vehicles for leaking oil and fluids.
• Conduct maintenance and repair activities indoors whenever feasible.
• Keep storm or rain water away from outside operations through berming and appropriate drainage
routing.
• Cover the work area to limit exposure to rain.
• Sweep the maintenance area to collect loose particles. Wipe up spills with rags and other
absorbent material immediately.
• Avoid hosing down work areas. If work areas are washed, collect and direct wash water to sanitary
sewer. Contact City and County of Honolulu Environmental Services regarding industrial
wastewater discharge requirements of discharge to sanitary sewer.
Parts Cleaning
• Clean parts without using liquid cleaners whenever possible to reduce waste.
• Steam cleaning and pressure washing may be used instead of solvent parts cleaning.
• Choose cleaning agents that can be recycled; if solvents are used, ensure proper disposal via third
party.
• Do all liquid cleaning at a centralized station so the solvents and residues stay in one area.
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Vehicle & Equipment Maintenance & Repair Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 16
• Locate drip pans, drain boards, and drying racks to direct drips back into a solvent sink or fluid
holding tank for reuse.
• Keep accurate maintenance logs to evaluate materials removed and improvements made.
• Post signs at sinks to remind employees not to pour wastes down drains.
Draining & Replacing Fluids
• Designate a special area to drain and replace
motor oil, coolant, and other fluids. The area
should not have connections to the storm drain or
the sanitary sewer, and the surface should allow
easy clean-up of drips and spills.
• Keep drip pans or containers under vehicles or
equipment that may drip during repairs, while
unclipping hoses, unscrewing filters, or removing
other parts.
• Ensure that the drain pan or drip pan is large enough to contain drained fluids (e.g., larger pans
are needed to contain antifreeze, which may gush from some vehicles).
• Promptly transfer used fluids to the proper waste or recycling drums. Do not leave drip pans or
other open containers lying around.
• Use a tarp, ground cloth, or drip pans beneath the vehicle or equipment to capture all spills and
drips if temporary work is being conducted offsite. Collected drips and spills must be disposed,
reused, or recycled properly.
Equipment/Vehicle Storage
• Keep equipment clean; don’t allow excessive build-up of oil and grease.
• Store unused/idle equipment under cover.
• Place barriers around the immediate boundaries of equipment to contain leaks and spills.
• Drain oil and other fluids first if the vehicle or equipment is to be stored outdoors. Elevate and tarp
stored vehicles and equipment.
• Build a shed or temporary roof over areas where parked cars await repair or salvage, especially
wrecked vehicles.
• Drain all fluids immediately from wrecked vehicles.
Preventative Maintenance & Repair Activities
• Inspect vehicles and equipment for leaks regularly and repair immediately.
• Do not allow leaking vehicles or equipment onsite. Pans should be placed under any leaks to
collect the fluids for proper disposal or recycling until leaks can be fixed.
• Provide a designated area and spill kits for after-hour deliveries.
Vehicle & Equipment Maintenance & Repair Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 17
Waste Segregation, Storage and/or Recycling
• Recycle used motor oil, diesel oil, and other vehicle fluids and parts whenever possible.
• Separate wastes for easier recycling. Keep hazardous and non-hazardous wastes separate, do not
mix used oil and solvents, and keep chlorinated solvents separate from non-chlorinated solvents.
• Label and track the recycling of waste material (e.g., used oil, spent solvents, batteries).
• Store cracked batteries in a non-leaking secondary container and dispose of properly at recycling
or household hazardous waste facilities.
• Recycle oil filters: refer to oil suppliers or recycler about recycling oil filters.
Storm Drain Management
• Paint signs on storm drain inlets to indicate that
liquid or solid wastes should not go down the
drain.
• Place barriers around the immediate
boundaries of equipment to contain leaks and
spills.
Vehicle Painting Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 18
A-9 Vehicle Painting
Auto body painting is a potentially significant source of storm water
pollution due to use of harmful materials and wastes during painting
processes.
Designated Auto Body Painting Area
• Conduct all painting indoors, preferably in a paint booth.
• Cover or enclose painting operations properly to avoid drift.
• Use a ground cloth to collect drips and residue properly.
• Wipe up spills with rags and other absorbent material
immediately.
• Develop paint handling procedures for proper use, storage, and
disposal.
Primers, Paints and Painting
• Test and inspect spray equipment prior to starting to paint. Tighten all hoses and connections and
do not overfill paint containers.
• Mix paint indoors before using so that any spill will not be exposed to rain. Do so even during dry
weather because cleanup of a spill will never be 100% effective.
• Cover nearby storm drain inlets prior to starting work if sand blasting is used to remove paint.
• Use a ground cloth to collect the chips if painting requires scraping or sand blasting of the existing
surface. Dispose of the residue properly.
Minimizing Product Use
• When cleaning auto body parts before painting, minimize use of hose-off degreasers. Brush off dirt
and use rags to wipe down parts. If an acid-based metal cleaner or cleaner/conditioner is used to
treat bare metal and rinse water is recommended to stop the chemical reaction, use as little water
as possible and wipe down the area with a rag or towel.
• Reduce waste by using low-volume paint mixing equipment and high-efficiency painting tools.
• Minimize waste paint and thinner by carefully calculating paint needs based on surface area and
using the proper sprayer cup size.
• Clean spray guns in a self-contained cleaner. The gun-cleaning solution, whether solvent or
aqueous-based, should be recycled or disposed of properly when it becomes too dirty to use. Never
discharge gun-cleaning solution to the sewer or storm drain.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Vehicle Painting Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 19
• Do not use water to control overspray or dust in the paint booth unless it is sure to evaporate in
the booth (so the dust can be swept up), or this wastewater is collected. The water should be
treated prior to discharge into the sewer system.
Disposal
• Collect all metal filings, dust, and paint chips from grinding, shaving, and sanding, and dispose of
the waste properly. Never discharge these wastes to the storm drain or sanitary sewer.
• Designate a special area to drain primers, paints and other fluids. The area should not have
connections to the storm drain or the sanitary sewer, and the surface should allow easy clean-up
of drips and spills.
• Promptly transfer used fluids to the proper waste or recycling drums. Do not leave drip pans or
other open containers lying around.
• Recycle paint when possible.
• All hazardous wastes must be labeled and disposed of according to hazardous waste regulations.
Vehicle and Equipment Staging Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 20
A-10 Vehicle and Equipment Staging
The storage of vehicle and equipment at staging
areas can contribute pollutants to storm water
runoff, including toxic hydrocarbons and other
organic compounds, oil and grease, nutrients,
phosphates, heavy metals, and trash.
Vehicle & Equipment Storage
• Keep equipment clean; don’t allow excessive
build-up of oil and grease.
• Place biosocks around the immediate
boundaries of process equipment.
• Where possible, store unused/idle equipment under cover.
• Consider building a shed or temporary roof over areas where cars or equipment await repair or
salvage, especially wrecked vehicles.
Preventative Maintenance & Repair Activities
• Pans should be placed under any vehicle or equipment leaks to collect the fluids for proper
disposal or recycling until leaks can be fixed.
• Drain all fluids immediately from wrecked vehicles, or vehicle and equipment to be stored
outdoors.
• Ensure that the drain or drip pan is large enough to contain drained fluids (e.g., larger pans are
needed to contain antifreeze, which may gush from some vehicles).
• Use a tarp, ground cloth, or drip pans beneath the vehicle or equipment to capture all spills and
drips if maintenance work is being conducted at the staging area. If possible, perform fluid changes
or removal under cover.
• Elevate and tarp stored vehicles and equipment.
• Collected drips and spills must be disposed, reused, or recycled properly.
Inspections & Maintenance
• Inspect vehicles and equipment regularly for leaks or spills.
• Inspect and clean, if necessary, storm drain inlets and catch basins within the area.
Loading/Unloading Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 21
A-11 Loading/Unloading
The loading/unloading of materials usually takes place outside on
docks or terminals; therefore, materials spilled, leaked or lost during
loading/unloading may end-up in the soil or on other surfaces and
could be carried away by storm water runoff or cleaning activities.
Loading/Unloading
• Park tank trucks or delivery vehicles in designated areas so that
spills or leaks can be contained.
• Have employees load and unload all materials and equipment in
covered areas such as building overhangs at loading docks.
• Avoid loading/unloading near storm drains.
• Post “no littering” signs.
Liquid Transfer Operations
• Contain leaks during transfer. Use drip pans underneath hose and pipe connections and other
leak-prone spots.
• Store drip pans in a covered location near the liquid transfer area so that they are always available.
• Clean drip pans periodically.
• Dispose of drip collected materials to the
proper waste or recycling drums. Do not
leave drip pans or other open containers
lying around.
• Spot clean leaks and drips routinely to
prevent runoff of spillage.
• Keep valves tightly closed.
• Keep drums sealed.
• Avoid “topping off.”
• Sediment
• Nutrients
• Trash
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Loading/Unloading Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 22
Solid Material Transfer Operations
• Perform work area clean-up and dry sweep after daily operations.
• Do not load or unload materials that produce excessive dust unless the area is equipped with a
dust control device and the dust is disposed of properly.
• Where door skirts are fitted to loading docks, make sure trailers are parked snug against the skirts
before handling any materials.
• Immediately clean up any spilled materials to avoid tracking them away from the facility.
Design of Loading/Unloading Area
• Pave loading/unloading areas with concrete instead of asphalt.
• Cover designated loading/unloading areas to reduce exposure of materials to rain.
• Consider placing a seal or door skirt between delivery vehicles and building to prevent exposure to rain.
• Prevent storm water from other areas from running into the loading area by sloping the pad and
using a curb, like a speed bump, around the uphill side of the loading/unloading area. Position the
roof downspouts so they direct storm water away from the area.
• Avoid placing storm drain inlets within loading areas.
• Prevent spilled liquids from entering the storm drain system by grading and/or berming the
loading/unloading area and direct drainage to a dead-end sump or to the sanitary sewer. Regularly
remove materials accumulated in the sump.
Operations Plan
• Develop an operations plan that describes procedures for loading and/or unloading.
• Limit materials and equipment rainfall exposure to all extents practicable.
• Conduct regular inspections and make repairs and improvements as necessary.
• Check loading and unloading equipment regularly for leaks.
• Conduct regular broom dry-sweeping of area. Do not wash with water.
• Require employees to understand and follow spill and leak prevention BMPs.
Liquid Container Storage Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 23
A-12 Liquid Container Storage
Accidental releases of materials from aboveground liquid storage tanks, drums, and dumpsters have
the potential for contaminating storm water with many different pollutants.
Containment
• Secure storage drums in an area where unauthorized persons may not gain access to prevent
accidental spillage, pilferage, or other unauthorized use.
• Install curbing or berms along the perimeter of the area to prevent the run-on of uncontaminated
storm water from adjacent areas as well as runoff of storm water from the stockpile areas.
• Slope paved areas to minimize pooling of water on the site, particularly with stored materials that
may leach pollutants into storm water and/or groundwater, such as compost, logs, and wood chips.
A minimum slope of 1.5% is recommended.
• Slope the area inside the curb or berm to a drain with sump. The sump should be equipped with
an oil and water separator if applicable for materials stored onsite.
• The area should be sloped to drain storm water to the perimeter where it can be collected or to
internal drainage alleyways where material is not stockpiled.
• The storm drainage system should be designed to minimize use of catch basins in the interior of
the area as they tend to rapidly fill with manufacturing material.
• Storm water runoff that could potentially be contaminated by materials stored outdoors should be
drained to the sanitary sewer if available. The drain must have a positive control such as a lock,
valve, or plug to prevent release of contaminated liquids.
Storage Containers
• Use only watertight containers with tight-fitting lids.
• Keep chemicals in their original containers and well labeled.
• Keep an up-to-date inventory of the materials delivered and stored onsite.
• Nutrients
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Liquid Container Storage Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 24
Storage Areas
• Cover the storage area with a roof that
prevents rain from falling on the liquid
storage containers.
• Provide containment for potential leaks
and spills by:
o Enclosing the container storage area.
o Building or providing a low barrier
around the storage area.
o Using a walled structure for storage of liquid containers.
o Raising containers off the ground by use of pallet or similar method, with provisions for spill
control.
• The “doghouse” design has been used to store
small liquid containers. The doghouse has two
solid structural walls and two canvas covered
walls. The flooring is wire mesh over secondary
containment. The roof and flooring design prevent
direct contact with rain or runoff.
• Do not store liquid containers near the storm
drainage system or surface waters.
• Provide barriers such as posts or guardrails, where
tanks are exposed, to prevent collision damage from vehicles.
• Provide secure storage to prevent vandalism-caused contamination.
Curbed Areas
• Immediately remove spilled materials from curbed areas to allow space for future spills. Curbed
areas are designed only for smaller spills.
• Remove accumulated storm water after precipitation events and dispose of according to local
regulations.
• Inspect regularly to clear clogging debris.
• Use manually-controlled pump systems rather than common drainage systems for collection of
spilled materials.
• Curbing has the following advantages:
o Keeps out storm water from other areas out of the curbed storage area;
o Inexpensive;
o Ease of installment;
o Provides option to recycle materials spilled in curb areas; and
o Common industry practice.
Liquid Container Storage Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 25
Aboveground Tanks & Containers Safeguards and Spill Control
• Use overflow protection devices to warn operator or automatic shutdown transfer pumps.
• Provide protection guards (bollards) around tanks and piping to prevent damage from a vehicle or forklift.
• Tag or label valves, and restrict access, to reduce human error.
• Provide storage tank piping located below product level with a shut-off valve at the tank; ideally
this valve should be an automatic shear valve with the shut-off located inside the tank.
• Berm or surround tank or container with secondary containment system, including dikes, liners,
vaults, or double walled tanks.
• Secondary containment areas may be required to connect to the sanitary sewer, prohibiting any
hard connections to the storm drain.
• Contact the appropriate regulatory agency regarding environmental compliance for facilities with
“spill ponds” designed to intercept, treat, and/or divert spills.
• Use Safety Data Sheets (SDS) to identify hazardous components and keep incompatible products
apart. Make sure appropriate personal protective equipment and clean-up products are nearby.
• Pave areas around aboveground tanks with cement concrete to be free of cracks and gaps and to
contain leaks and spills.
• Store liquid materials in Underwriters Laboratories Inc. (UL) approved double walled tanks or surrounded by a
curb or dike to provide the volume to contain 10% total of the volume of the containers or 110% of the volume
of the largest container, whichever is greater. The area inside the curb should slope to a drain.
• For used oil or dangerous waste, install a dead-end sump in the drain.
• Drain other liquids to the sanitary sewer if available. The drain must have a positive control such
as a lock, valve, or plug to prevent release of contaminated liquids.
• Pass accumulated storm water in petroleum storage areas through an oil/water separator.
Dikes for Large Liquid Storage Tanks and Trucks
• Containment dikes should be large enough to hold single-wall storage tank contents plus rain water.
• For trucks, diked areas should be capable of holding an amount equal to the volume of the tank truck
compartment. Diked construction material should be strong enough to safely hold spilled materials.
• Dike materials can consist of earth, concrete, synthetic materials, metal, or other impervious materials.
• Strong acids or bases may react with metal containers, concrete, and some plastics, so where
strong acids or bases are stored, alternative dike materials should be considered. More active
organic chemicals may need certain special liners for dikes.
• Dikes may also be designed with impermeable materials to increase containment capabilities.
• Dikes should be inspected during or after significant storms or spills to check for washouts or overflows.
• Regular checks of containment dikes should be conducted to ensure the dikes are capable of holding spills.
• Storm water overflow, dike erosion, soggy areas, or changes in vegetation indicates problems with
dike structures. Damaged areas should be patched and stabilized immediately.
Liquid Container Storage Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 26
• Earthen dikes may require special maintenance of vegetation such as mulching and irrigation.
• Remove accumulated storm water after precipitation events and dispose of according to local regulations.
Inspections & Maintenance
• Inspect storage areas regularly for leaks or spills.
• Sweep and clean the storage area regularly if it is paved, and
do not hose down the area to a storm drain.
• Check for storage containers and piping for external corrosion
and structural failure.
• Replace containers that are leaking, corroded, or otherwise
deteriorating with ones in good condition. If the liquid chemicals are corrosive, containers made of
compatible materials must be used instead of metal drums.
• New or secondary containers must be labeled with the product name and hazards.
• Check for spills and overfills due to operator error.
• Check for leaks or spills during pumping of liquids or gases from truck to a storage facility or vice versa.
• Check for failure of piping system (pipes, pumps, flanges, coupling, hoses, and valves).
• Inspect new tank or container installations for loose fittings, poor welding, and improper or poorly
fitted gaskets.
• Inspect tank foundations, connections, coatings, and tank walls and piping system. Look for corrosion,
leaks, cracks, scratches, and other physical damage that may weaken the tank or container system.
• Have periodic integrity testing conducted by a qualified professional.
• Frequently release accumulated storm water during wet season.
Building & Fire Code Standards
• Storage sheds often must meet City and County code amendments of the International Building
Code (IBC) and NFPA 1 of the National Fire Protection Association.
• The local fire district must be consulted for limitations on clearance of roof covers over containers
used to store flammable materials.
• All specific standards set by Federal and State laws concerning the storage of oil and hazardous
materials must be met.
• Storage of reactive, ignitable, or flammable liquids should comply with the Uniform Fire Code and
the National Electric Code.
• Storage of oil and hazardous materials must meet specific Federal and State standards including:
o Spill Prevention Control and Countermeasure (SPCC) Plan;
o Secondary containment;
o Integrity and leak detection monitoring; and
o Emergency preparedness plans.
Equipment & Operations Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 27
A-13 Equipment & Operations Maintenance
Operating and maintaining equipment outdoors are potentially significant sources of storm water
pollution due to use of harmful materials and wastes during maintenance and repair processes.
Process Equipment Operations and Maintenance
• Perform operations and maintenance during dry periods whenever possible.
• Dry clean the work area regularly. Do not wash outdoor equipment with water if there is a direct
connection to the storm drain.
• “Spot clean” leaks and drips routinely. Leaks are not cleaned up until the absorbent is picked up
and disposed of properly.
• Use drop cloths for sanding and painting operations.
• Use a vacuum for fine particle clean-up in pavement cracks and crevices.
• Use roll down or permanent walls when it is windy/breezy to prevent wind transport of
particulates/pollutants.
• Paint signs on storm drain inlets to indicate that they are not to receive liquid or solid wastes.
Designated Equipment Areas
• Designate specific areas for outdoor activities and cover the work area with a permanent roof if
possible.
• Minimize contact of storm water with outside process equipment operations through berming and
drainage routing that prevents storm water from running into the operations area (run-on
prevention).
• Use a perimeter drain or slope pavement inward with drainage to sump.
• When selecting a designated equipment area, choose a concrete area rather than asphalt.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Equipment & Operations Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 28
• Connect process equipment area to the sanitary sewer or facility wastewater treatment system
when possible. Contact City and County of Honolulu Environmental Services for industrial
wastewater discharge permit.
• Install secondary containment measures where leaks and spills may occur. Containment
measures may include drip pans, tarps, ground cloths or spill cleanup materials.
Inspections & Maintenance
• Inspect outdoor equipment regularly for leaks or spills.
• Inspect for structural failure, spills and overfills due to operator error, and/or failure of piping
system.
• Inspect and clean, if necessary, storm drain inlets and catch basins within the equipment area.
• Routine cleanout of oil and grease is required for storm water devices to maintain their
effectiveness, (usually at least once a month). During periods of heavy rainfall, cleanout is required
more often to ensure pollutants are not washed through the trap. Sediment removal is also
required.
Storage of Solid Materials & Products Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 29
A-14 Storage of Solid Materials & Products
Solid materials and products exposed to rain and/or runoff can pollute storm water.
Storage Areas
• Store materials that could contaminate storm water inside or under permanent cover.
• If raw materials cannot all be stored inside or under permanent cover, prevent exposure to direct
rain and storm water run-on by installing a storm-resistant waterproof covering made of
polyethylene, polypropylene or hypalon over all materials stored outside. The covers must be in
place at all times when work with the stockpiles is not occurring.
• Elevate and tarp solid materials such as beams, metal, etc.
• Cover wood products treated with chromated copper arsenate, ammoniacal copper zinc, arsenate,
creosote, or pentachlorophenol with properly secured tarps or store indoors.
• Keep storage areas clean and dry.
• Do not store materials on top of or directly adjacent to storm drain inlets.
• Storage sheds and storage of reactive, ignitable, or flammable liquids must comply with the
Uniform Fire Code and the National Electric Code.
• The local fire district must be consulted for limitations on clearance of roof covers over containers
used to store flammable materials.
Inventory
• Minimize the inventory of raw materials stored outside.
• Accurate and up-to-date inventories should be kept of all stored materials and materials delivered.
• Sediment
• Nutrients
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Storage of Solid Materials & Products Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 30
Erosion Control Practices
• Keep materials covered to prevent erosion of
stockpiles. This may not be feasible for large
stockpiles.
• Implement erosion control practices at the
perimeter of the facility site and at any catch
basins to prevent stockpiled material erosion, if
the stockpiles are so large that they cannot
feasibly be covered and contained.
Sediment Control Practices
• Install sediment controls such as fiber rolls around the perimeter of stockpiles to prevent transport
of raw materials to the storm drain.
• Install drain inlet protection around all inlets to prevent raw materials from entering storm drain.
• Install sediment controls such as silt fences around the perimeter of the site to prevent transport
of raw materials to the storm drain or offsite surface waters.
Inspections & Maintenance
• Maintain outdoor waterproof covers (e.g., tarps) in good condition and properly secure them to be
storm resistant. Regularly replace tarps damaged by UV exposure or wear and tear.
• Perform routine inspection of storm drains and sumps and regularly remove accumulated
materials.
• Routinely inspect berms and sediment controls for proper function; repair as necessary.
• Parking lots or other surfaces near bulk materials storage areas should be swept periodically to
remove debris blown or washed from storage areas.
• Sweep paved storage areas regularly for collection and disposal of loose solid materials; do not
hose down the area to a storm drain or conveyance ditch.
Contaminated or Erodible Areas Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 31
A-15 Contaminated or Erodible Areas
Baseyards, recycling and scrap yards, quarries and their industrial and commercial activities with bare
soils need to implement erosion and sediment control BMPs to stabilize soils and reduce pollutant
discharges from contaminated or erodible surfaces. In addition, these areas may be contaminated
from past or current activities. Sites with excessive erosion or the potential for excessive erosion
should also employ the soil erosion BMPs identified in the Construction BMP Manual.
Erosion & Sediment Controls
• Implement wind erosion control measures as necessary. Refer to WE-1 Wind Erosion Control, in
the Construction BMP Manual.
• Stabilize all roadways, entrances, and exits to sufficiently control discharges of erodible materials
from discharging or being tracked off the site. Refer to Tracking Control (TR) Fact Sheets in the
Construction BMP Manual on the City’s www.cleanwaterhonolulu.com website.
• Preservation of natural vegetation provides a natural buffer zone and an opportunity for infiltration
of storm water and capture of pollutants in the soil matrix. This practice can be used as a
permanent source control measure. Refer to Erosion Control Fact Sheet EC-2 Preservation of
Existing Vegetation, in the Construction BMP Manual available on the City’s
www.cleanwaterhonolulu.com website.
• Preserve as much native vegetation onsite as possible.
Revegetation & Stabilization of Erodible Areas
• Stabilize loose soils by re-vegetating.
• Refer to EC-4 Hydroseeding, in the Construction BMP Manual on the City’s
www.cleanwaterhonolulu.com website.
• Lack of vegetation may be due to the lack of water, poor soils and/or soil compaction; the soil may
need fertilization, and/or tillage.
• Sediment
• Nutrients
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Contaminated or Erodible Areas Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 32
• Different species, soil types, and climatic conditions will require different maintenance activities
such as mulching, fertilizing, liming, irrigation, pruning and weed and pest control.
Chemical Stabilization
• Chemical stabilization can be used as an alternate method of erosion control in areas where
temporary seeding practices cannot be used because of season or climate. It can provide
immediate, effective, and inexpensive erosion control.
• See EC-5, Soil Binders, in the Construction BMP Manual.
Non-Vegetated Stabilization
• Non-vegetated stabilization methods are suitable for permanently protecting from erosion by water and wind.
• Non-vegetated stabilization should only be utilized when vegetation cannot be established due to
soil or climactic conditions, or where vegetation may be a potential fire hazard.
o Decomposed Granite (DG) and Gravel Mulch are suitable for use in areas where vegetation
establishment is difficult, on flat surfaces, trails and pathways, and when used in conjunction
with a stabilizer or tackifier, on shallow slopes. DG and gravel can also be used on shallow
rocky slopes where vegetation cannot be established for permanent erosion control.
o Degradable Mulches can be used to cover and protect soil surfaces from erosion both in
temporary and permanent applications. In many cases, the use of mulches by themselves
requires routine inspection and re-application. See Erosion Control (EC) Fact Sheets in the
Construction BMP Manual for more information.
o Geotextiles and Mats can be used as a temporary stand-alone soil stabilization method.
Depending on material selection, geotextiles and mats can be a short-term (3 months – 1 year)
or long-term (1-2 years) temporary stabilization method. See EC-7 Geotextiles and Mats in the
Construction BMP Manual.
o Rock Slope Protection can be used when the slopes are subject to scour or have a high erosion
potential, such as slopes adjacent to flowing waterways or slopes subject to overflow from
detention facilities (spillways).
o Soil Binders can be used for temporary stabilization of stockpiles and disturbed areas not
subject to heavy traffic. See EC-5 Soil Binders in the Construction BMP Manual.
Contaminated Soils
• Remove contaminated soil and dispose of properly. This requires determination of the level and
extent of the contamination.
• Removal must comply with State and Federal regulations; permits must be acquired, and fees
paid.
Inspection & Maintenance
• Inspect sediment and erosion control BMPs daily during periods of wet weather and repair or
improve BMP implementation as necessary.
Building Repair & Construction Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 33
A-16 Building Repair & Construction
Building repair and construction may vary from minor and normal
building repair to major remodeling, or the construction of new
facilities. These activities can generate pollutants including solvents,
paints, paint and varnish removers, finishing residues, spent thinners,
soap cleaners, kerosene, asphalt and concrete materials, adhesive
residues, and old asbestos installation.
This fact sheet is intended to be used for minor repairs and
construction. For major construction, follow the guidelines in the
Construction BMP Manual.
Repair & Remodeling
• Keep the work site clean and orderly. Remove debris in a timely
fashion. Sweep and vacuum the area regularly to remove sediments and small debris.
• Avoid outdoor repairs and construction during periods of wet weather.
• Cover raw materials of particular concern that must be left outside, particularly during the rainy
season. Refer to A-14 Storage of Solid Materials & Products.
• Properly store liquid materials that are normally used in repair and remodeling such as paints and
solvents. Refer to A-12 Liquid Container Storage.
• Use equipment and tools such as bag sanders to reduce accumulation of debris.
• Limit/prohibit work on windy days; implement roll-down walls or other measures to reduce wind
transport of pollutants.
• Sweep out rain gutters or wash the gutter and trap the particles at the outlet of the downspout. A
sock or geofabric placed over the outlet may effectively trap the materials.
• Clean the storm drain system in the immediate vicinity of the construction activity after it is
completed. Refer to A-22 Drainage System Maintenance.
Painting
• Enclose painting operations consistent with local air quality and OSHA regulations.
• Local air pollution regulations may specify painting procedures, which if properly carried out, are
usually sufficient to protect water quality.
• Develop procedures for proper use, storage, and disposal of paints.
• Transport paint and materials to and from job sites in containers with secure lids and tied down to
the transport vehicle.
• Test and inspect spray equipment prior to starting to paint. Tighten all hoses and connections and
do not overfill paint containers.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Building Repair & Construction Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 34
• Mix paint indoors before using so that any spill will not be exposed to rain. Do so even during dry
weather because cleanup of a spill will never be 100 percent effective.
• Transfer and load paint and hot thermoplastic away from storm drain inlets.
• Plug nearby storm drain inlets prior to starting painting and remove plugs when job is complete
when there is risk of a spill reaching storm drains.
• Cover nearby storm drain inlets prior to starting work if sand blasting is used to remove paint.
• Use a ground cloth to collect the chips if painting requires scraping or sand blasting of the existing
surface. Dispose of the residue properly.
• Cover or enclose painting operations properly to avoid drift.
• Clean the application equipment in a sink that is connected to the sanitary sewer if using water-
based paints.
• Capture all cleanup water and dispose of properly.
• Properly dispose of paints containing lead or
tributyl tin and consider as hazardous waste.
• Properly store leftover paints if they are to be
kept for the next job. Dispose of unused paints
properly by allowing latex paints to dry and
harden and absorbing oil-based paints in motor
oil change kits before placing in the trash.
Concrete Installation, Repair & Removal
• Schedule asphalt and concrete activities for dry weather.
• Take measures to protect any nearby storm drain inlets and adjacent watercourses, prior to
breaking up asphalt or concrete (e.g., place sand bags around inlets or work areas).
• Limit the amount of fresh concrete or cement mortar mixed; mix only what is needed for the job.
• Store concrete materials under cover, away from drainage areas. Secure bags of cement after they are
open. Keep wind-blown cement powder away from streets, gutters, storm drains, rainfall, and runoff.
• Return leftover materials to the transit mixer. Dispose of small amounts of hardened excess
concrete, grout, and mortar in the trash.
• When making saw cuts in pavement, use as little water as possible. Cover each storm drain inlet
completely with filter fabric during the sawing operation and contain the slurry by placing straw
bales, sandbags, or gravel dams around the inlets. After the liquid drains or evaporates, shovel or
vacuum the slurry residue from the pavement or gutter and remove from site.
• Do not wash sweepings from exposed aggregate concrete into the street or storm drain. Collect
and return sweepings to aggregate base stockpile, or dispose in the trash.
• Protect applications of fresh concrete from rainfall and runoff until the material has dried.
• Do not allow excess concrete to be dumped onsite, except in designated areas.
• Wash concrete trucks offsite or in designated areas onsite designed to preclude discharge of wash
water to drainage system.
Building Repair & Construction Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 35
Waste Management
• Provide a sufficient number of litter receptacles for the facility.
• Clean out and cover litter receptacles frequently to prevent spillage.
• Keep waste collection areas clean.
• Inspect solid waste containers for structural damage regularly. Repair or replace damaged
containers as necessary.
• Secure solid waste containers; containers must be closed tightly when not in use.
• Do not fill waste containers with washout water or any other liquid.
• Ensure that only appropriate solid wastes are added to the solid waste container. Certain wastes
such as hazardous wastes, appliances, fluorescent lamps, pesticides, etc., may not be disposed
of in solid waste containers.
• Do not mix wastes; this can cause chemical reactions, make recycling impossible, and complicate
disposal. Affix labels to all waste containers.
• Make sure that hazardous waste is collected, removed, and disposed of properly. Refer to SC-9
Waste Handling and Disposal.
• Do not dump waste liquids down the storm drain.
• Dispose of wash water, sweepings, and sediments properly.
Inspections & Maintenance
• Require employees and offsite contractors to understand and follow good housekeeping and spill
and leak prevention BMPs.
• Hazardous waste must be disposed of by a licensed hazardous waste hauler.
• Store materials that could contaminate storm water inside or under permanent cover.
• Maintain outdoor waterproof covers (e.g., tarps) in good condition and properly secure them to be
storm resistant. Regularly replace tarps damaged by UV exposure or wear and tear.
• Sweep paved storage areas regularly for collection and disposal of loose solid materials, do not
hose down the area to a storm drain or conveyance ditch.
Parking Area Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 36
A-17 Parking Area Maintenance
Parking lots can contribute pollutants such as trash, suspended solids, hydrocarbons, oil and grease,
and heavy metals to the storm water drainage system and streams and oceans.
Controlling Litter
• Provide an adequate number of litter receptacles.
• Clean out and cover litter receptacles frequently to prevent spillage.
• Keep all parking areas clean and orderly. Remove debris, litter, and sediments in a timely fashion.
• Post “No Littering” signs and enforce anti-litter laws.
Surface Cleaning
• Use dry cleaning methods (e.g., sweeping, vacuuming) to prevent the discharge of pollutants into
the storm water conveyance system if possible.
• Sweep all parking lots at least once before the onset of the wet season.
• Establish frequency of parking lot sweeping based on usage and field observations of waste
accumulation.
• Dispose of parking lot sweeping debris and dirt as a solid waste.
• Follow the procedures below if water is used to clean surfaces:
o Block the storm drain or contain runoff.
o Collect and pump wash water to the sanitary sewer or redirect water to a grassy area or
pervious surface. Do not allow wash water to enter storm drains.
• Sediment
• Trash
• Metals
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Parking Area Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 37
• Follow the procedures below when cleaning heavy oily deposits:
o Clean oily spots with absorbent materials and
sweep up.
o Use a screen or filter fabric over the storm drain
inlet, then wash surfaces.
o Do not allow discharges to the storm drain.
o Vacuum/pump discharges to a tank or discharge
to sanitary sewer.
o Dispose of spilled materials and absorbents
appropriately.
Surface Repair
• Preheat, transfer or load hot bituminous material away from storm drain inlets.
• Apply concrete, asphalt, and seal coat during dry weather to prevent contamination from
contacting storm water runoff.
o Before applying concrete, asphalt, seal coat or slurry seal, cover and seal nearby manholes
and storm drain inlets (with waterproof material or mesh).
o Use only as much water as necessary for dust control during sweeping to avoid runoff.
o Catch drips from paving equipment that is not in use with pans or absorbent material placed
under the machines. Dispose of collected material and absorbents properly.
Inspections & Maintenance
• Sweep and clean parking lots regularly to minimize pollutant transport into storm drains from
storm water runoff.
• Conduct regular inspections of parking facilities and their storm water conveyance systems for
effectiveness.
• Regularly Inspect cleaning equipment/sweepers for leaks.
• Clean out oil/water/sand separators regularly, especially after heavy storms.
Parking Lot Design
• When possible, direct sheet runoff to flow into biofilters (vegetated strip and swale) and/or
infiltration devices.
• Utilize sand filters or oleophilic collectors for oily waste in low quantities.
• Arrange roof top drains to prevent drainage directly onto paved surfaces.
• Consider designing parking areas to include semi-permeable hardscape to minimize runoff.
Building & Sidewalk Power Washing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 38
A-18 Building & Sidewalk Power Washing
Pollutants from sidewalks and other pedestrian traffic areas and plazas are typically due to littering
and vehicle use.
Recovery of Visible Pollutants
• Sweep and/or clean the surface of any visible pollutants and dispose of the collected material in
trash containers.
• Clean surface oil with rags or other absorbents.
• If using granular absorbent material (cat litter), sweep and dispose of before washing.
Power Washing of Buildings, Sidewalks, & Other Surface Areas
• After visible pollutants are removed, use water only (i.e. no chemicals) to clean the area.
• Direct wash water to landscape or permeable areas within the property.
• Block the storm drain or contain runoff when cleaning with water.
• If the discharge enters the City drainage system, it must be filtered through geotextile filter.
o Use filter fabric or some other type of screen on the ground and/or in the catch basin to trap
the particles in wash water runoff.
o Filter fabric should be changed periodically to avoid flooding.
o Filtered residue and fabric should be disposed of through acceptable means.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Building & Sidewalk Power Washing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 39
• When soaps or detergents are used and
the surrounding area is paved, use a
water collection device that collects wash
water and associated solids. A sump
pump, wet vacuum or similarly effective
device must be used to collect the runoff
and loose materials. The collected runoff
and solids must be disposed of properly.
• If you are pressure washing on a grassed
area (with or without soap), runoff must be
dispersed as sheet flow as much as
possible, rather than as a concentrated
stream. The wash runoff must remain on
the grass and not drain to pavement.
Discharge from Surface Cleaning
• If any visible pollutants remain in the residual wash water, collect all water and pump to sanitary
sewer. An approved Industrial Wastewater Discharge Permit (IWDP) is required for discharge to
the City’s sanitary sewer. Applications are available at Kapolei Hale, 1000 Uluohia Street, Suite
212, Kapolei, Hawaii 96707. For more information, please call RC Branch of ENV @ 768-3262.
• If there is no storm drain system nearby and discharge on lot and street will create a nuisance or
hazardous condition, the effluent may be discharged into the sanitary sewer system with the
approval of the Regulatory Control (RC) Branch of the City’s Department of Environmental Services
(ENV). Accordingly, an IWDP from the Regulatory Branch of ENV is required.
• Parking lot wash water must be filtered through a petroleum-trapping filter before discharging into
the sanitary sewer system. Discharge of parking lot wash water is prohibited from entering City
streets and storm drains.
Graffiti Removal
• Avoid graffiti abatement activities during rain events.
• Direct runoff from sand blasting and high pressure washing (with no cleaning agents) into a dirt or
landscaped area after treating with an appropriate filtering device.
• Plug nearby storm drain inlets and vacuum/pump wash water to the sanitary sewer if authorized
to do so when a graffiti abatement method generates wash water containing a cleaning compound
(such as high pressure washing with a cleaning compound). Ensure that a non-hazardous cleaning
compound is used or dispose as hazardous waste, as appropriate.
Pool, Fountain & Spa Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 40
A-19 Pool, Fountain & Spa Maintenance
The primary pollutant of concern in swimming pool or spa water is chlorine or chloramine used as a
disinfectant. This water, if discharged to the storm drain system, can be toxic to aquatic life. In
fountains and lagoons, the pollutants of concern are chemical algaecides that are added to control
algae mainly for aesthetic reasons (visual and odor).
Cleaning & Chemicals
• Prevent algae buildup with regular cleaning, consistent adequate chlorine levels, and well-
maintained water filtration and circulation systems.
• Do not use copper-based algaecides (ineffective against certain species of algae and known to
stain walls). Control algae with chlorine or other alternatives, such as sodium bromide.
• Manage pH and water hardness to minimize corrosion of copper pipes.
Draining Pools & Water Features
• Obtain a City permit if draining pool water. Do not discharge water to a street or storm drain when
draining pools or fountains unless permitted to do so. Discharge to the sanitary sewer if permitted
to do so.
• Dechlorinate pool water with a neutralizing chemical or by allowing chlorine to dissipate for a few
days. The water may be recycled/reused by draining it gradually onto a landscaped area.
• Contact State and City agencies for information on draining water features to storm drain system
or sanitary sewer systems. Water must be tested prior to discharge to ensure that chlorine is not
present.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Pool, Fountain & Spa Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 41
• Prevent backflow if draining a pool to the sanitary sewer by maintaining an “air gap” between the
discharge line and the sewer line (do not seal the connection between the hose and sewer line).
Discharge flows should be kept to the low rates typically possible through a garden hose. Higher
flow rates may be prohibited.
• Provide drip pans or buckets beneath drain pipe connections to catch leaks. This will be especially
pertinent if pool or spa water that has not been dechlorinated is pumped through piping to a
discharge location.
Filter Cleaning
• Never clean a filter in the street or near a storm drain.
• Rinse cartridge filters onto a grass area, and spade filter residue into soil.
• Backwash diatomaceous earth filters onto grass. Dispose of spent diatomaceous earth in the
garbage. Spent diatomaceous earth cannot be discharged to surface waters, storm drainage
systems, septic systems, or on the ground.
Lagoons/Water Features
• Reduce fertilizer use in areas around the water body. High nitrogen fertilizers can produce excess
growth requiring more frequent mowing or trimming, and may contribute to excessive algae growth.
• To control bacteria, discourage the public from feeding birds and fish (i.e., place signs that prohibit
feeding of waterfowl).
• Mechanically remove pond scum (blue-green algae) using a 60 micron net.
• Avoid landscape wastes in and around lagoons/water features by either using bagging equipment
or by manually picking up the material. Collect trash and debris from within water bodies where
feasible.
• Provide and maintain trash receptacles near water features.
Inspection & Maintenance
• Train maintenance personnel to test chlorine levels and to apply neutralizing chemicals.
• Train personnel regarding proper maintenance of pools, water features and lagoons.
Landscape Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 42
A-20 Landscape Maintenance
Landscape maintenance activities include vegetation removal, herbicide and insecticide application,
fertilizer application, watering and other gardening and lawn care practices. These maintenance
practices have the potential to contribute pollutants to the storm drain system. Reduce potential for
pollutant discharge through source control pollution prevention and BMP implementation.
Fertilizer Use
• Follow recommended usage instructions and all
Federal, State, and local laws and regulations
governing the use, storage, and disposal of
fertilizers and training of pesticide applicators.
• Use the minimum amount needed for the job.
• Calibrate fertilizer distribution to avoid excessive
application.
• Fertilizers should be worked into the soil rather
than dumped or broadcast onto the surface.
• Periodically test soils for determining proper
fertilizer use.
• Sweep pavement and sidewalk if fertilizer is spilled on these surfaces before applying irrigation
water.
• Inspect fertilizer equipment and transportation vehicles daily.
Pesticide Use
• Follow recommended usage instructions and all Federal, State, and local laws and regulations
governing the use, storage, and disposal of pesticides.
• Use pesticides only if there is an actual pest problem (not on a regular preventative schedule).
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Landscape Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 43
• Do not use pesticides if rain is expected.
• Apply pesticides only when wind speeds are low.
• Do not mix or prepare pesticides for application near storm drains.
• Employ techniques to minimize off-target application (e.g., spray
drift) of pesticides, including consideration of alternative application
techniques.
• Purchase only the amount of pesticide that you can reasonably use
in a given time period (month or year depending on the product).
• Triple rinse containers and use rinse water as product. Dispose of
unused pesticide as hazardous waste.
• Dispose of empty pesticide containers according to the instructions on the container label.
• Educate and train employees on pesticide use and application techniques to prevent pollution.
• The Federal Pesticide, Fungicide, and Rodenticide Act and Chapter 149A Hawaii Pesticides Law
1996, Act 281, place strict controls over pesticide application and handling and specify training,
annual refresher, and testing requirements. The regulations generally cover: a list of approved
pesticides and selected uses, updated regularly; general application information; equipment use
and maintenance procedures; and record keeping.
• The State of Hawaii Department of Agriculture Plant Industry Division coordinates and maintains
the State’s licensing and certification programs.
Irrigation
• Apply water at rates that do not exceed the infiltration rate of the
soil.
• Irrigate slowly or pulse irrigate to prevent runoff; only irrigate as
much as is needed.
• Where practical, use automatic timers to minimize runoff.
• Consider drip irrigation.
• Consider using recycled rain water (cisterns/pools) as a source of irrigation water.
• Inspect irrigation systems periodically to ensure that the right amount of water is being applied
and that excessive runoff is not occurring. Minimize excess watering and repair leaks in the
irrigation system as soon as they are observed.
• Conduct appropriate maintenance (i.e. properly timed fertilizing, weeding, pest control, and
pruning) to help preserve water efficiency.
• Use pop-up sprinkler heads in areas with a lot of activity or where there is a chance the pipes may be
broken. Consider the use of mechanisms that reduce water flow to sprinkler heads if broken.
• If bailing of muddy water is required (e.g. when repairing a water line leak), do not put it in the
storm drain; pour over landscaped areas.
• Ensure that there is no runoff from the landscaped area(s) if re-claimed water is used for irrigation.
Landscape Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 44
Mowing, Trimming and Weeding
• Use mechanical methods of vegetation removal rather than applying herbicides. Use hand weeding
where practical.
• Do not blow or rake leaves into the street or storm drain.
• Consider grass cycling. Grass cycling is the natural recycling of grass by leaving the clippings on
the lawn when mowing. Grass clippings decompose quickly and release valuable nutrients back in
to the lawn.
Green Waste
• Compost leaves, sticks, or other collected vegetation or dispose of as trash. Do not dispose of
collected vegetation into streams, gulches or storm drainage systems.
• Reduce the use of high nitrogen fertilizers that produce excess growth requiring more frequent
mowing or trimming.
• Avoid putting landscape wastes in and around storm drain inlets by either using bagging
equipment or by manually picking up the material.
Stockpiles
• Place temporarily stockpiled material away from watercourses and storm drain inlets, and berm or
cover stockpiles to prevent material releases to the storm drain system.
Planting
• Use mulch or other erosion control measures when soils are exposed.
• Retain and/or plant selected native vegetation where feasible. Native vegetation in the
appropriate microclimate usually requires less maintenance (e.g. irrigation, fertilizer) than planting
new vegetation.
• Choose flowers, trees, shrubs, and groundcover that have low irrigation needs.
• Consider alternative landscaping techniques such as xeriscaping.
Integrated Pest Management (IPM) Program
• Utilize a comprehensive management system that incorporates integrated pest management
(IPM) techniques. IPM is a sustainable approach to managing pests. IPM methods equip landscape
maintenance staff to design flexible, site-specific pest management plans scaled to the severity of
the problems and the level of resources available.
• There are many methods and types of IPM, including:
o Mulching to prevent weeds where turf is absent, fencing to keep rodents out, and netting to
keep birds and insects away from leaves and fruit.
o Removing visible insects by hand (with gloves or tweezers) and placing in soapy water or
vegetable oil. Alternatively, insects can be sprayed off the plant with water or in some cases
vacuumed off of larger plants.
Fire Sprinkler Testing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practices Manual 45
A-21 Fire Sprinkler Testing
Fire sprinkler line flushing may be a source of non-storm water runoff pollution. Standpipe testing is
required every 5 years and fire sprinkler testing is required annually. There typically is an accumulation
of pollutants in the sprinkler system. Over time the water in the pipe can contain pollutants such as
heavy metals (mercury or lead), anaerobic bacteria (which can cause diseases), nitrates, and much
more.
Site Preparation
• Ensure the safety for the workers and the public. Install traffic control to direct vehicles and
pedestrians away from the area, if needed.
• Install the proper BMPs at storm drains or inlets to ensure that no pollutants enter the drainage
system. The BMPs include silt fences, compost filter socks and others.
Fire Hydrant Flushing
• Attach the apparatuses onto the fire hydrant.
• The water from the fire hydrant is first flushed at street level to remove any possible debris in the
hydrant.
• Then, the hydrant connects to the pump which sends water into the standpipe on the street level
up to the manifold, which is typically on the roof.
First Flush of Sprinkler System
• Once the hoses are hooked up correctly, carefully open the connection.
• The standpipe connection at the rooftop level and the inspector test valve are used for the annual
standpipe test.
• As the pipes are being filled make sure to have a container ready to collect the discharging water.
The initial water coming out contains the polluted water from the pipes, also known as the first
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Fire Sprinkler Testing Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practices Manual 46
flush. The first flush contains pollutants such as heavy metals (mercury or lead), bacteria, nitrates
and much more. Avoid direct contact with the discharge.
• Continue collecting the water until it is physically clear coming out of the hose.
• If possible, dispose the first flush water into landscaped areas because they are natural filtration
systems.
• If there are no landscape areas available, the first flush water must be disposed properly by a
licensed liquid waste hauler.
• Do not dispose of this waste water into storm drains, streets, streams, or the ocean.
Continued Testing
• After the first flush is collected and disposed, the
system shall be flow and pressure tested at the
requirements for the design criteria in effect at the
time of installation or permitting as applicable. This
test should only take a couple of minutes.
• Always direct the flow toward the location of drains on
the rooftop.
• The water from the flow rating test will evaporate off the rooftop, which is acceptable because the
water is clean after the first flush.
• Once the test is completed, close the connection of the rooftop standpipe and fill the standpipe to
conduct a one-hour hydrostatic test at the requirements for the design criteria in affect at the time
of installation or permitting as applicable.
• After completion of the test, disconnect the discharge hoses at street level.
• Direct the flow of water remaining in the hoses toward landscaped areas or other places where
infiltration can take place.
• If no infiltration areas are available, direct the flow towards the street but ensure the storm drain
inlets are covered and the public is not affected.
Violations
• Failure to follow the proper procedures and laws can result in fines and/or jail time. If someone
knowingly violates the law, that individual can face up to 3 years in jail and/or fines of $5,000-
$50,000 per day of the violations. If there are subsequent convictions, the individual or
organization can face up to 6 years and/or $100,000 per day of the violations. Even if you are
negligent, the violations are 1 year in jail and/or $2,500-$25,000 fine per day. If it is a subsequent
conviction, it would be 2 years in jail and $50,000 fine per day.
Drainage System Maintenance Industrial & Commercial Activity BMP Fact Sheets
CCH Industrial and Commercial Storm Water Best Management Practices Manual 47
A-22 Drainage System Maintenance
Storm water drainage facilities on a site convey storm water that may
contain pollutants to an offsite conveyance system that collects and
transports urban runoff and storm water or conveys directly to
streams or the ocean.
Catch Basins/Inlet Structures
• Inspect facilities regularly and complete immediate repair of any
deterioration threatening structural integrity and clean before the
sump is 40% full. Catch basins should be cleaned as frequently
as needed to meet this standard.
• Clean catch basins, storm drain inlets, and other conveyance
structures before the wet season to remove accumulated
sediments.
• Conduct inspections more frequently during the wet season for problem areas where sediment or
trash accumulates more often. Prioritize storm drain inlets; clean and repair as needed.
• Keep accurate logs of the number/timing of catch basins cleaned.
• Store wastes collected from cleaning activities of the drainage system in appropriate containers
or temporary storage sites in a manner that prevents discharge to the storm drain.
• Dewater the wastes if necessary with outflow into the sanitary sewer if permitted. Water should be
treated with an appropriate filtering device prior to discharge to the sanitary sewer. If discharge to
the sanitary sewer is not allowed, water should be pumped or vacuumed to a tank and properly
disposed. Do not dewater near a storm drain or stream.
• Modify storm open channel characteristics to improve channel hydraulics and increase pollutant
removals.
Illicit Connections and Discharges
• Stencil or demarcate storm drains, where applicable, to prevent illegal disposal of pollutants. Storm drain
inlets should have messages such as “No Dumping Drains to Ocean” or similar stenciled next to them to
warn against ignorant or intentional dumping of pollutants into the storm drainage system.
Inspections & Maintenance
• Develop and follow a site-specific drainage system maintenance plan that describes maintenance
locations, methods, required equipment, water sources, sediment collection areas, disposal
requirements, and any other pertinent information.
• Train employees in proper maintenance activities, including record keeping and disposal.
• Contact the City’s Storm Water Quality Branch if you plan to conduct flushing of your storm drain
system.
• Sediment
• Nutrients
• Trash
• Metals
• Bacteria
• Oil and Grease
• Organics
TARGETED
POLLUTANTS
Auto Body Repair Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 3
B-1 Auto Body Repair
Description
This category includes facilities that conduct auto body repair
and painting. Auto body repair products, such as body filler,
primers, paints and sandpaper often contain significant amounts
of heavy metals, oil and grease, toxic chemicals and paints,
which are significant sources of storm water pollution.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are
provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Panel Sanding
Dry Sanding
• A-8 Vehicle & Equipment Maintenance & Repair
Wet Sanding
• A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
• A-12 Liquid Container Storage
Spraying Primers
and Paints
• A-8 Vehicle & Equipment Maintenance & Repair
• A-9 Vehicle Painting
• A-12 Liquid Container Storage
Washing Cars • A-7 Vehicle & Equipment Washing
Cleaning Outside
Areas
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Auto Body Maintenance Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 4
B-2 Auto Maintenance
Description
This category includes facilities that conduct general
maintenance and repair on vehicles, including
general repair shops, radiator repair shops, car
dealerships, car washes, and fleet maintenance
operations. Auto maintenance and repair on
vehicles can contribute pollutants to storm water
runoff, including toxic hydrocarbons and other
organic compounds, oils and greases, nutrients,
phosphates, heavy metals, and suspended solids.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Car Repair &
Maintenance • A-8 Vehicle & Equipment Maintenance & Repair
Cleaning Engines &
Parts, and Flushing
Radiators
• A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
Washing Cars and
Other Vehicles • A-7 Vehicle & Equipment Washing
Air/Water Supply Area • A-6 Vehicle & Equipment Fueling
Storage & Waste
Management • A-12 Liquid Container Storage
Building & Grounds
Maintenance
• A-16 Building Repair & Construction
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Retail Gas Station Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 5
B-3 Retail Gas Stations
Description
This category includes facilities that provide retail
vehicle fueling services, including self-serve
facilities as well as those that provide a car
washing facility. Pollutants can include heavy
metals, hydrocarbons (oil and grease), toxic
chemicals, phosphates from detergents, and
suspended solids including food waste and trash.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact
sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Fuel Dispensing
Areas and Air/Water
Supply Area • A-6 Vehicle & Equipment Fueling
Underground
Storage Tanks • A-12 Liquid Container Storage
Fuel Loading and
Unloading • A-11 Loading/Unloading
Car Washing Facility • A-7 Vehicle & Equipment Washing
Building & Grounds
Maintenance
• A-16 Building Repair & Construction
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
• A-20 Landscape Maintenance
Restaurants & Food Industry Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 6
B-4 Restaurants & Food Industry
Description
This category includes restaurants, institutional cafeterias, grocery
stores, bakeries, delicatessens, and any facility requiring a Health
Department permit for food preparation. Cleaning of equipment,
grease handling and disposal, spills, surface cleaning, grounds
maintenance, dumpster and loading dock areas, and parking lots can
contribute pollutants to storm water runoff, including food wastes, oil
and grease and toxic chemicals in cleaning products, disinfectants and
pesticides.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided
by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Dumpster &
Loading Dock Areas • A-11 Loading/Unloading
Equipment &
Outdoor Cleaning • A-13 Equipment & Operations Maintenance
Grease & Material
Storage, Recycling &
Waste Disposal • A-12 Liquid Container Storage
Landscaping &
Grounds
Maintenance
• A-16 Building Repair & Construction
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
• A-19 Pool, Fountain & Spa Maintenance
• A-20 Landscape Maintenance
Lunch Wagons, Food Trucks, Carts & Tents Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 7
B-5 Lunch Wagons, Food Trucks,
Carts & Tents
Description
This category includes lunch wagons, food
trucks, carts, tents and any facility requiring a
Health Department permit for food
preparation. Cleaning of equipment, grease
handling and disposal and spills can contribute
pollutants to storm water runoff, including food
wastes, oil and grease and toxic chemicals in
cleaning products, disinfectants and
pesticides.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Dumpster &
Loading/Unloading
Areas
• A-11 Loading/Unloading
• A-12 Liquid Container Storage
Equipment & Outdoor
Cleaning
• Vehicle & Equipment Washing
• A-13 Equipment & Operations Maintenance
Recycling & Disposal
including Grease
Handling & Disposal • A-12 Liquid Container Storage
Grounds Maintenance • A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Restaurants & Food Industry Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 8
B-6 Scrap Metal Recyclers
& Towing Yards
Description
This category includes recycling scrap yards and facilities that impound, dismantle, and store and sell
vehicles and vehicle parts. Significant sources of pollutants include crushing and scrapping of recyclable
materials, draining fluids from vehicles, recovering and recycling parts and vehicle fluids, and areas of
bare soils. Pollutants can include mercury, other heavy metals (aluminum, cadmium, chromium, copper,
iron, lead, and zinc), oils and greases (waste oil, hydraulic fluid, fuels, and parts cleaners), PAHs, Toxic
chemicals (antifreeze), sediment and trash.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Draining Fluids from
Vehicles
• A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
• A-12 Liquid Container Storage
Crushing
and Scrapping
Vehicle Bodies
• A-10 Vehicle & Equipment Staging
• A-13 Equipment & Operations Maintenance
Storage & Waste
Management
• A-12 Liquid Container Storage
• A-14 Storage of Solid Materials & Products
Building & Grounds
Maintenance
• A-15 Contaminated or Erodible Areas
• A-16 Building Repair & Construction
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Building & Property Maintenance Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 9
B-7 Building & Property Maintenance
Description
This category includes businesses that provide building and property
maintenance services such as landscaping, landscape maintenance,
building and sidewalk power washing, fire sprinkler testing, building
repair and construction, and swimming pool and spa cleanings. These
activities can contribute pollutants to storm water runoff, including heavy
metals, oil and grease, pesticides, nutrients, toxic cleaning chemicals and
organic compounds, trash and sediment.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided
by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Building & Sidewalk
Power Washing • A-18 Building & Sidewalk Power Washing
Parking Area Maintenance • A-17 Parking Area Maintenance
Building Repair &
Construction
• A-14 Storage of Solid Materials & Products
• A-16 Building Repair & Construction
Landscape Design,
Installation &
Maintenance
Landscape Maintenance
• A-20 Landscape Maintenance
Design & Installation
• A-14 Storage of Solid Materials & Products
• A-15 Contaminated or Erodible Areas
• A-20 Landscape Maintenance
Pool, Fountain & Spa
Maintenance
• A-19 Pool, Fountain & Spa Maintenance
• A-22 Drainage System Maintenance
Fire Sprinkler Testing • A-21 Fire Sprinkler Testing
Contractor Baseyard Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 10
B-8 Contractor Baseyards
Description
This category includes facilities that provide
baseyard storage for vehicles, raw materials, fleet
operations, hazardous wastes, shipping containers,
utility equipment, storage tanks, construction
vehicles and equipment and supplies. Activities at
contractor baseyards can contribute pollutants to
storm water runoff, including toxic hydrocarbons
and other organic compounds, oil and grease,
nutrients, phosphates, heavy metals, and trash.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Vehicle & Equipment
Maintenance • A-8 Vehicle & Equipment Maintenance & Repair
Washing Vehicles &
Equipment
• A-7 Vehicle & Equipment Washing
• A-13 Equipment & Operations Maintenance
Material Storage
and Waste Handling
• A-12 Liquid Container Storage
• A-14 Storage of Solid Materials & Products
Fueling
• A-6 Vehicle & Equipment Fueling
• A-11 Loading/Unloading
• A-12 Liquid Container Storage
Building and
Grounds
Maintenance
• A-15 Contaminated or Erodible Areas
• A-16 Building Repair & Construction
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
• A-20 Landscape Maintenance
Repair Shops Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 11
B-9 Repair Shops
Description
This category includes facilities that provide repair services
for electronics, household items, appliances, bicycles,
plumbing, windows, doors and screens. Activities at repair
shops can contribute pollutants to storm water runoff,
including toxic hydrocarbons and other organic compounds,
oil and grease, nutrients, phosphates, heavy metals, and
trash.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Sanding • A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
Spraying Primers
and Paints
• A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
• A-11 Loading/Unloading
• A-12 Liquid Container Storage
Cleaning &
Maintaining
Equipment
• A-7 Vehicle & Equipment Washing
• A-8 Vehicle & Equipment Maintenance & Repair
• A-13 Equipment & Operations Maintenance
Property
Maintenance
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Material and Waste
Storage
• A-12 Liquid Container Storage
• A-14 Storage of Solid Materials & Products
Self-Storage Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 12
B-10 Self-Storage
Description
This category includes businesses that provide self-storage units and facilities. Building and property
maintenance activities can contribute pollutants to storm water runoff, including heavy metals, oil
and grease, pesticides, nutrients, toxic cleaning chemicals and organic compounds, trash and
sediment.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Building Storage Units &
Loading/Unloading
Areas
• A-11 Loading/Unloading
• A-12 Liquid Container Storage
Facility & Parking Area
Maintenance
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Building Repair &
Construction
• A-14 Storage of Solid Materials & Products
• A-16 Building Repair & Construction
Landscape Maintenance • A-20 Landscape Maintenance
Fire Sprinkler Testing • A-21 Fire Sprinkler Testing
Note: Because the public is the primary user of self-storage, BMPs must be communicated with
customers on proper cleaning procedures and limitations placed on the types of materials that can
and cannot be stored.
Small Animal Care Facilities Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 13
B-11 Small Animal Care Facilities
Description
This category includes businesses that provide small animal care
facilities, including kennels, rescue centers, and veterinary
facilities. Facility operations and activities, such as animal
washing, feeding and grazing, urine, feces and manure deposits
can contribute pollutants to storm water runoff, including coliform
bacteria, nutrients, sediment and trash.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are
provided by activity or area.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Animal Washing • A-18 Building & Sidewalk Power Washing*
Feeding/Grazing Management
• A-12 Liquid Container Storage
• A-14 Storage of Solid Materials & Products
• A-15 Contaminated or Erodible Areas
• A-20 Landscape Maintenance
Urine/Feces and Manure
Deposits Waste Management • A-18 Building & Sidewalk Power Washing*
Building Maintenance
• A-14 Storage of Solid Materials & Products
• A-15 Contaminated or Erodible Areas
• A-16 Building Repair & Construction
• A-18 Building & Sidewalk Power Washing*
Landscape Maintenance • A-20 Landscape Maintenance
* Do not allow any wash water to be discharged to storm drains or to receiving waters without
proper treatment. Regularly sweep and clean animal keeping areas to collect and properly
dispose of droppings, uneaten food, and other potential storm water pollutants; do not hose
down and allow runoff into storm drains or to streams.
Wholesalers/Retailers Business Category BMP Guide Sheets
CCH Industrial and Commercial Storm Water Best Management Practice Manual 14
B-12 Wholesalers/Retailers
Description
This category includes businesses that
conduct wholesale and retail activities.
Operations and property maintenance
activities can contribute pollutants to
storm water runoff, including heavy metals,
oil and grease, pesticides, nutrients, toxic
cleaning chemicals and organic
compounds, trash and sediment.
Industrial and Commercial Activity BMPs
The Industrial and Commercial Activity BMP fact sheets are provided by business activities.
BUSINESS ACTIVITY FACT SHEETS
General BMPs
• A-1 Spill Prevention, Control & Cleanup
• A-2 Waste Handling & Disposal
• A-3 Housekeeping Practices
• A-4 Employee Training
• A-5 Drain Connections, if applicable
Loading/Unloading • A-11 Loading/Unloading
Building Storage Areas • A-12 Liquid Container Storage
• A-14 Storage of Solid Materials & Products
Facility & Parking Area
Maintenance
• A-17 Parking Area Maintenance
• A-18 Building & Sidewalk Power Washing
Building Repair &
Construction
• A-14 Storage of Solid Materials & Products
• A-16 Building Repair & Construction
Landscape Maintenance • A-20 Landscape Maintenance
Fire Sprinkler Testing • A-21 Fire Sprinkler Testing
Form A Business Description
Best Management Practice Plan
Form A Business Description a. Location (use facility address)
b. Facility Use & Operations (describe what type of activities occur [e.g. repairs, food preparation]
and indicate whether activities are inside, under cover outside or outside without cover. List
areas where chemicals (including pesticides and fertilizers) are currently applied.)
c. Hours of Operation (provide hours of operations by day of the week)
d. Site Features (describe the buildings, paved parking lots, vehicle and equipment parking areas,
chemical storage area, water disposal area and collection, and storm water features such as oil
and water separators and onsite storm drains, as applicable. Also, describe which areas are
paved, vegetated or have bare soil.)
Form B Site Map
Best Management Practice Plan
Form B Site Map □ Property Boundary (the City’s GIS site may be useful for identification of boundaries)
□ Entrance(s), Streets, and Adjacent Properties (indicate the entrance(s) to the property and
names of adjacent streets and businesses)
□ Chemical & Material Storage Areas
□ Waste Disposal Areas
□ Storm Water Flow Directions (show based on site topography, ‘flow arrows’ that indicate the
anticipated direction that a spill would flow if it occurred)
If Applicable:
□ Storm Water Drainage Structures & Nearby Canals, Streams or Ocean (show locations of storm
drain structures such as catch basins, or grate/drain inlets)
□ Location of Structural BMPs (structural, vegetative or managerial practices used to treat, prevent
or reduce water pollution. Examples include infiltration basins, porous concrete, and grassed
swales or ditches for vegetative BMPs)
Site Map
Form C Potential Control Strategies
Best Management Practice Plan
Form C Potential Control Strategies
Potential Pollutant Activities BMPs: Spill Prevention and Pollutant Control Strategies
General Operations A-1 Spill Prevention Control & Clean-ups
A-2 Waste Handling & Disposal
A-3 Housekeeping Practices
A-4 Employee Training
Include all applicable BMP Activity Sheets in BMP Plan. Highlight the BMPs in the BMP Activity
Sheets that are applicable to the business activities.
Form D Spill Response Plan
Best Management Practice Plan
Form D Spill Response Plan
SPILL RESPONSE AND CLEAN-UP PLAN
Company: Date:
Site Address: Runoff drains to:
CONTACTS:
Title Name Phone Numbers
Site Manager
Business Owner
Clean-up Contractor
1. Potential Spill Areas
Location Hazardous Materials
2. Spill Material/Spill Kit Locations
Additional Information
Provide a description of any additional emergency clean-up and disposal procedures not listed
above that you will use at your site, or any other special conditions that exist:
Form D Spill Response Plan
Best Management Practice Plan
3. Spill Clean-Up Procedures
1. Alert the manager/owner of property where the spill has occurred.
2. Obtain personal protective equipment, as appropriate to the hazards. Refer to Safety Data
Sheet or other references for information.
3. Stop the source of the spill (upright container, plug leak, etc.).
4. Seal off storm drains with berms or drain covers and stop any spread of the spill.
5. Protect floor drains or other means for environmental release. Spill socks and absorbents
may be placed around drains, as needed.
6. Use pads and/or granular sorbent to clean up spilled material. Loose spill-control material
should be distributed over the entire spill area, working from the outside, scoop to place
materials in an appropriate container.
7. Let pads sit on spill to absorb spilled material.
8. Remove spent pads and/or sorbent and dispose of properly.
If a spill or release cannot be controlled or injuries have occurred due to the release:
1. Evacuate the immediate area and provide care to the injured – Call 911.
2. Be prepared to provide Safety Data Sheet information to the responders if asked.
3. Notify the appropriate agency if release has entered the environment. Refer to the Spill
Reporting Table.
Form D Spill Response Plan
Best Management Practice Plan
4. Spill Reporting Instructions
Notification Checklist
Spill in any amount
Facility Supervisor: Phone:
Discharge in amount exceeding “reportable quantity”* and not affecting a water body or groundwater
Honolulu Fire Department including HAZMAT: 911
State of Hawai‘i Department of Health, 808-586-4249
Hazard Evaluation and Emergency 808-247-2191
Response Office (DOH HEER) (after business hours)
Honolulu Local Emergency Planning Committee (LEPC) 808-723-8960
Discharge in any amount and affecting (or threatening to affect) a water body
Honolulu Fire Department including HAZMAT: 911
Hawai‘i State Emergency Response Commission (HSERC)/ 808-586-4249
State of Hawai‘i Department of Health, Hazard Evaluation 808-247-2191
and Emergency Response Office (DOH HEER) (after business hours)
National Response Center 1-800-424-8802
Honolulu Local Emergency Planning Committee (LEPC) 808-723-8960
Discharge onto City Street
City and County of Honolulu, Storm Water Quality Branch 808-768-3242
* The State of Hawai‘i Department of Health Hazard Evaluation Emergency Response Office website contains a link to the Reportable
Quantities List for hazardous substance releases.
To the best of your ability, please be ready with the following information:
• Where is the spill?
• What spilled?
• How much spilled?
• How concentrated is the spilled material?
• Who spilled the material?
• Is anyone cleaning up the spill?
• Are there resource damages (e.g. dead fish or oiled birds)?
• Who is reporting the spill?
• How can we get back to you?
After a spill, assess whether the Spill Response Plan is adequate and areas for improvement.
Form E Self-Inspections
Best Management Practice Plan
Form E Self-Inspections Facility Storm Water Self Inspection Checklist
Facility:
Inspector(s) Name and Title:
Date and Time of Inspection:
Issue/Objective Yes No N/A Comment
Training
1. Has annual training been conducted and documented for all
employees? ☐ ☐ ☐
Good Housekeeping
1. Are loose debris, garbage, and waste regularly removed off
facility’s grounds? ☐ ☐ ☐
2. Are dumpsters and trash/recycle bins kept covered and inspected
regularly for leaks? ☐ ☐ ☐
3. Are work areas and storage areas neat and clean? ☐ ☐ ☐
4. Are washing activities minimized and contained within the facility? ☐ ☐ ☐
5. Are vehicles and equipment inspected daily for leaks? ☐ ☐ ☐
6. Are equipment and vehicles serviced/maintained indoors or under
cover? ☐ ☐ ☐
7. Are BMPs (i.e. absorbents, drip pans, drip pads, etc.) used under
leaking vehicles and equipment to prevent tracking? ☐ ☐ ☐
8. During the last observed rain event, was the runoff leaving the
facility discolored or observed to contain some type of
contaminants? If so, please describe.
☐ ☐ ☐
9. Were there any other good housekeeping measures not described
above that may have been an issue? If so, please describe.
Form E Self-Inspections
Best Management Practice Plan
Issue/Objective Yes No N/A Comment
Material/Chemical Inventory and Storage
1. Are containers/drums properly stored under cover and within
secondary containment structures? ☐ ☐ ☐
2. Are potential pollutants, chemical containers, and drums properly
labeled and identified? ☐ ☐ ☐
3. Are Safety Data Sheets readily available for all
chemicals/products/materials stored onsite? Are Safety Data
Sheets located in an accessible location?
☐ ☐ ☐
Spill Prevention and Response Plan
1. Are parking lots and paved areas visually inspected regularly for
spills and leaks? ☐ ☐ ☐
2. Are spills promptly cleaned up using absorbent materials? Has the
appropriate action taken place? ☐ ☐ ☐
3. Is the facility equipped with spill kits or are absorbent materials readily
available? Are the spill kits well maintained and adequately stocked? ☐ ☐ ☐
4. Are above-ground storage tanks and facilities clean and in good condition? ☐ ☐ ☐
5. Are proper spill prevention control measures in place at the facility? ☐ ☐ ☐
Structural BMP Maintenance
1. Are structural BMPs being properly maintained? ☐ ☐ ☐
Other Inspection Areas (Loading/Unloading)
☐ ☐ ☐
☐ ☐ ☐
Comments Corrective Actions
1.
2.
3.
4.
5.
Form F Training Plan/Log
Best Management Practice Plan
Form F Training Plan/Log Business Name:__________________________________________________________________
Trainer/Supervisor: _______________________________________________________________
Training Topics:
Industrial/Commercial BMP Plan Purpose
Sources of Potential Pollutants that Could Affect Storm Water
BMPs to Address Pollutant Sources
Spill Response Plan
Monthly Self-Inspections
Add additional training topics that are applicable to your business activities above
I have participated in this training on the Industrial/Commercial BMP Plan which presented
information on storm water discharges and what can be done to prevent or minimize contamination
of storm water runoff.
Date Name (print clearly) Signature